What are the lengths of the legs of a right triangle in which one acute angle measures 19° and the hypotenuse is 15 units long?

Answer:

C. 5.1 mm

Step-by-step explanation:

Since this is a right triangle, we can use trig functions

tan alpha = opposite/ adjacent

tan alpha = j/h

tan 65 = 11/h

Multiply both sides by h

h tan 65 = 11/h *h

h tan 65 = 11

Divide each side by tan 65

h tan 65 / tan 65 = 11 / tan 65

h = 11 / tan 65

h =5.12938424

To the nearest tenth

h = 5.1

Answer:

12.1

Step-by-step explanation:

Answer:

-√17/4

Step-by-step explanation:

Because both the x- and the y-coordinates of (-4, -1) are negative, the angle, theta, is in Quadrant III.  

tan theta = opp/adj = vertical side / horizontal side = 4/1, or just 4.  

The two coordinates are the legs (both shorter than the hypotenuse) of the triangle formed by this terminal side / point.  

The length of the hypotenuse is found using the Pythagorean Theorem and is:

  √[ (1)² + (4)² = √17.

Again remembering that our terminal side is in Quadrant III,

sin Ф = opp/hyp = -1/√17

cos Ф = adj/hyp = -4/√17

tan Ф = opp/adj = 4 (see discussion above)

The instructions are to "find sec(theta)."  The sec function is the inverse of the cos function.  Here cos Ф = -4/√17, and so the secant of this angle is

the inverse (reciprocal) of the cosine, and is thus   -√17/4

The value of sec(theta) is found by first determining the radius using the Pythagorean theorem and then calculating the reciprocal of the cosine function, which in this case is -√17/4.

To find the secant of angle theta (sec(θ)) when given a point (-4,-1) on its terminal side, we first need to understand that sec(θ) = 1/cos(θ). Since cos(θ) is the x-coordinate of the point on the unit circle divided by the radius, we need to find the radius of the circle that would pass through the point (-4, -1). This radius can be found using the Pythagorean theorem.

Let's calculate the radius (r):
r = √((-4)^2 + (-1)^2)
r = √(16 + 1)
r = √17

Now, since the x-coordinate is -4, cos(θ) = -4/r. Plugging in the value of r, we get:
cos(θ) = -4/√17.

Therefore, sec(θ) is the reciprocal of cos(θ):
sec(θ) = -√17/4.

Parameterize [tex]C[/tex]

[tex]x=\cos t[/tex]

[tex]y=\sin t[/tex]

with [tex]0\le t\le2\pi[/tex]. Then the line integral of [tex]\langle2x^3-y^3,4x^3+y^3\rangle[/tex] along [tex]C[/tex] is

[tex]\displaystyle\int_0^{2\pi}\langle2\cos^3t-\sin^3t,4\cos^3t+\sin^3t\rangle\cdot\langle-\sin t,\cos t\rangle\,\mathrm dt[/tex]

[tex]\displaystyle=\int_0^{2\pi}(4\cos^4t-2\cos^3t\sin t+\cos t\sin t^3+\sin^4t)\,\mathrm dt=\boxed{\frac{15\pi}4}[/tex]

By Green's theorem, the line integral is equivalent to

[tex]\displaystyle\iint_{x^2+y^2\le1}\left(\frac{\partial(4x^3+y^3)}{\partial x}-\frac{\partial(2x^3-y^3)}{\partial y}\right)\,\mathrm dx\,\mathrm dy[/tex]

[tex]=\displaystyle\iint_{x^2+y^2\le1}(12x^2+3y^2)\,\mathrm dx\,\mathrm dy[/tex]

[tex]=\displaystyle\int_0^{2\pi}\int_0^1(12r^2\cos^2\theta+3r^2\sin^2\theta)r\,\mathrm dr\,\mathrm d\theta[/tex]

[tex]=\displaystyle\int_0^{2\pi}\int_0^1(9r^3\cos^2\theta+3r^3)\,\mathrm dr\,\mathrm d\theta=\boxed{\frac{15\pi}4}[/tex]

To evaluate the line integral along the unit circle, we can parametrize the circle using x = cos(t) and y = sin(t). The resulting integral is 6 times the integral of cos squared(t) times cos(t).

To evaluate the line integral, we need to parametrize the unit circle. Let's use x = cos(t) and y = sin(t) as the parameterization. The differential arc length is given by ds = √(dx² + dy²) = dt. Substituting these into the line integral, we get:

∫(2cos³(t) - sin³(t)) dt + ∫(4cos³(t) + sin³(t)) dt = ∫(6cos³(t)) dt

Since the unit circle can be parameterized from 0 to 2π, the integral becomes:

∫[6cos³(t)] dt = 6 ∫[(cos(t))³] dt = 6 ∫[cos³(t)] dt = 6[∫(cos²(t)cos(t)) dt]

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Answer:

+/- 1.9983

Step-by-step explanation:

The critical values for a confidence interval for the population mean, with population standard deviation not known, are obtained from the student's t distribution.

The sample size is given as 64. The degrees of freedom will thus be;

sample size - 1 = 64 - 1 = 63

The confidence level is given as 95%. The level of significance will thus be;

100 - 95 = 5%.

The area in the right-tail will thus be 2.5%. Therefore, we looking for a t-value such that the area to its right is 2.5% and the degrees of freedom being 63. From the t-tables we have;

+/- 1.9983

Answer:

D

Step-by-step explanation:

The 3 angles on the right form a straight angle, thus they sum to 180°

Subtract the 2 given angles from 180 to find measure of third angle ( which is the angle inside the triangle )

third angle = 180° - (70 + 60)° = 180° - 130° = 50°

The sum of the 3 angles in a triangle = 180°

Subtract the 2 known angles from 180 for measure of x

x = 180° - (50 + 60)° = 180° - 110° = 70° → D

Answer:

  from top to bottom: 1, 3, 2

Step-by-step explanation:

For chords and arcs, the "theorem that supports the statement" is essentially a restatement of the statement.

For the relationship to chords and diameters, the second statement on the right applies. A chord and the radii to its ends form an isosceles triangle. The altitude is the perpendicular bisector of the chord (triangle base). Of course, it is also a line segment that intersects the center of the circle (the apex of the isosceles triangle).

Answer:

1 matches with first statement, 2 matches with third statement and 3 matches with second statement i.e, 1,3,2.

Step-by-step explanation:

In circle, when two chords are equal , than their corresponding minor arcs are also equal. Converse is also true, if minor arcs are equal, than their corresponding chords are equal.So, when chords BC and DE are equal, than their minor arcs BC and DE are also equal. In converse, when arcs BC and DE are equal, than their chords BC and DE are also equal. for the third one, Perpendicular from the center bisect the chord, hence AX is ⊥ to BC than BX= XC.

We can say that diameters perpendicular to chord bisect the chord.

1 matches with first statement, 2 matches with third statement and 3 matches with second statement i.e, 1,3,2.

Answer:

  y = -1/3·x³

Step-by-step explanation:

The function is odd (symmetrical about the origin), so corresponds to a function of odd degree. It is shorter and wider than the parent x³ function, so has a vertical scale factor less than 1. The appropriate choice is ...

  y = -1/3x³

The corresponding equation that matches the red graph include the following: A. [tex]y=-\frac{1}{3} x^3[/tex].

In Mathematics and Euclidean Geometry, a radical function, cubic function or a cube root function can be represented by using the following mathematical equation:

[tex]f(x)=a\sqrt[3]{x-h} +k[/tex]

where:

By critically observing the graph shown above, we can logically deduce that the red graph represents a cubic function with an odd degree because it is symmetrical about the origin. Also, the parent cubic function [tex]f(x)=x^3[/tex] was vertically compressed by a factor that is less than 1, which is 1/3;

[tex]y=-\frac{1}{3} x^3[/tex]

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Answer:

2.5 cm

Step-by-step explanation:

The ratio of side lengths of similar figures is the same as the ratio of any linear measure on those figures, including perimeter. The second figure's perimeter is 10/16 of that of the first figure, so the shortest side of the second figure will also be 10/16 of the length of the shortest side of the first figure.

(10/16)×(4 cm) = 2.5 cm

The shortest side of the second polygon has a length of 2.5 cm.

Answer:

No real solutions.

Step-by-step explanation:

We need to solve the following equation: 3x^2 + 6x + 6 = 0

First, we should divide the whole equation by 3:

3x^2 + 6x + 6 = 0 ⇒ x^2 + 2x + 2 = 0

Now, the equation has no real results. It happens because the polynomial never crosses the x-axis. (See graph attached).

The imaginary solution is:

x = -1 + i

x= -1 - i

Answer:

The answer is 117/125

Step-by-step explanation:

The identity for the difference of 2 angles as far as cos goes is

cos(α-β) = cosα cosβ + sinα sinβ

We have both alpha and beta in QII.  In order to find the sinα, we need the missing leg, the one opposite the reference angle.  Applying Pythagorean's Theorem to that right triangle we get that the missing leg is +7 (y values are positive here so the 7 is positive since it is above the y = 0 line).  We also have to find the missing leg in beta so we can find the cosβ.  Applying Pythagorean's Theorem to that right triangle we get that the missing leg is -4 (negative because x is negative to the left of the origin).  Now that we have everything we need to fill in the identity, it looks like this:

[tex](-\frac{24}{25})(-\frac{4}{5})+(\frac{7}{25})(\frac{3}{5})[/tex]

Multiplying that out and then adding gives you

[tex]\frac{96}{125}+\frac{21}{125}=\frac{117}{125}[/tex]

The probability of not tossing the bag through the hole is D) 35 / 44

How to find the probability ?

To find the probability of not tossing the bean bag through the hole, you need to calculate the area of the board where you can toss the bag and then divide it by the total area of the board.

Find the area where you can toss the bag (not through the hole), subtract the area of the hole from the total area:

Area to toss the bag = Total area - Area of the hole

Area to toss the bag = 44 in² - 9 in²

= 35 in²

Ccalculate the probability of not tossing the bag through the hole:

Probability = (Area to toss the bag) / (Total area)

Probability = 35 in² / 44 in²

Probability = (5 x 7) / (4 x 11)

Probability = 5/4 x 7/11

Probability = (5 x 7) / (4 x 11)

Probability = 35/44

Answer:

[tex]3.6*10^{4}\ joules[/tex]  or [tex]36,000\ joules[/tex]

Step-by-step explanation:

Let

x -----> the energy in joules used by the CFL in one hour

we know that

using proportion

[tex]\frac{1}{3.6*10^{6}}\frac{kWh}{joules} =\frac{10^{-2}}{x}\frac{kWh}{joules}\\ \\x=(3.6*10^{6})(10^{-2})\\ \\x=3.6*10^{4}\ joules[/tex]

or

[tex]36,000\ joules[/tex]

Answer:

The answers 6

Step-by-step explanation:

haha buns

Answer:

L = 97, w = 27

Step-by-step explanation:

The perimeter formula is P = 2L + 2w.  We have too many unknowns simply to plug in, so we have to find a way to identify one in terms of the other.  The statement is that the length is 16 feet more than 3 times the width, so the length is in terms of the width and can be identified as

L = 3w + 16

and the width, then, is just w.  Now we can fill in those 2 values, both in terms of w, and set it to equal the perimeter value we were given of 248:

2(3w + 16) + 2w = 248 and

6w + 32 + 2w = 248 and

8w + 32 = 248 and

8w = 216 so

w = 27

That means that the width is 27.  Use that value of w now to find the length where

L = 3w + 16.

L = 3(27) + 16 and

L = 97

For the given rectangle, the width is 27 feet, and the length is 97 feet.

To find the dimensions of the rectangle, we start by representing the width as w. Given that the length is 16 feet more than three times the width, we represent the length as:
length = 3w + 16.

The formula for the perimeter of a rectangle is Perimeter = 2(length + width).
Setting up the equation, we get:

248 = 2(3w + 16 + w)

248 = 2(4w + 16)

248 = 8w + 32

216 = 8w

w = 27.

Now that we have the width, we can find the length:

Length = 3w + 16 = 3(27) + 16 = 81 + 16 = 97.

Thus, the dimensions of the rectangle are width = 27 feet and length = 97 feet.

Answer:

[tex]f^{-1}(x)=25(x-2)^2[/tex]

Step-by-step explanation:

The inverse function can be found by solving ...

  f(y) = x

  (√y)/5 +2 = x

  (√y)/5 = x -2 . . . . . subtract 2

  √y = 5(x -2) . . . . . . multiply by 5

  y = 25(x -2)² . . . . . square both sides

The inverse function is ...

  [tex]f^{-1}(x)=25(x-2)^2[/tex]

_____

About the graph

The inverse of a function is its mirror image across the line y = x.

Answer:

1.08%

Step-by-step explanation:

When you solve problems like these you convert the percentages into fractions and multiply them together.

18%= 18/100 reduced------>     9/50

6% = 6/100 reduced------>  3/50

3/50 *  9/50 = 108/10000 reduced ------->  54/5000 reduced---->

27/2500.  The probability is 27/2500, or 1.08%

Final answer:

Two tangents meeting at opposite ends of a circle's diameter are parallel and cannot intersect outside the circle, since tangents are perpendicular to the radius at the point of tangency and parallel lines do not meet.

Explanation:

Two tangents that intersect a circle at opposite endpoints of the same diameter cannot intersect outside the circle. This is because a tangent to a circle is perpendicular to the radius at the point of tangency. In the case of tangents at the ends of a diameter, these tangents are parallel to each other since they are perpendicular to the same line (the diameter), which cannot intersect outside the circle by definition of parallel lines.

No, it is not possible for the two tangents to intersect each other outside the circle.

Let's consider the properties of tangents and diameters to a circle to explain why the two tangents cannot intersect each other outside the circle.

1. A tangent to a circle is a line that touches the circle at exactly one point. This point of tangency is perpendicular to the radius drawn to the point of tangency.

2. A diameter of a circle is a chord that passes through the center of the circle and has both endpoints on the circle. The center of the circle bisects the diameter, meaning it divides the diameter into two equal parts.

3. If a tangent intersects a circle at an endpoint of a diameter, then by the definition of a tangent, the tangent is perpendicular to the radius at that point. Since the radius is part of the diameter, the tangent is also perpendicular to the diameter at the point of tangency.

4. Now, consider two tangents, each intersecting the circle at opposite endpoints of the same diameter. Since each tangent is perpendicular to the diameter at its respective point of tangency, the two tangents are parallel to each other because they are both perpendicular to the same line (the diameter).

5. Parallel lines do not intersect. Therefore, the two tangents, being parallel, cannot intersect each other at any point, let alone outside the circle.

In conclusion, because the two tangents are parallel, they cannot intersect each other outside the circle, confirming that the scenario described in the question is not possible.

Answer:

56.02 dollars

Step-by-step explanation:

Wanted x, the price before taxes and tip.

sales tax: x * 0.11

+

tip on sales tax: x * 0.11 * 0.2

+

tip on price: x * 0.2

= 0.332x

= 18.6 (presumption)

Therefore,

x = 18.6/0.332 = 56.02

Answer:  $60

Step-by-step explanation:

Let the total price of Zoe dinner = x

According to question,

He paid 11 % sales tax  20% on tip.

Therefore,  he paid total extra charge = 11 + 20 = 31 %

That is, he paid 31 % extra in sales tax and tips for dinner.

But again according to the question,

Zoe paid $18.60 in sales tax and tips for her dinner.

⇒ 31 % of x = 18.60

⇒

⇒

⇒

⇒ x = 60

Thus, The total cost of Zoe's dinner before tax = $60

Step-by-step explanation:

In his last 30 throws, Tom hit the target 20 times and missed 10 times.

p = probability he misses the target = ⅓

q = probability he hits the target = ⅔

Using binomial probability:

P = nCr (p)^r (q)^(n-r)

Given n = 3, r = 1, p = ⅓, and q = ⅔:

P = ₃C₁ (⅓)¹ (⅔)³⁻¹

P = (3) (⅓) (⅔)²

P = 4/9

There is a 4/9 probability that he misses exactly 1 of his next 3 throws.

By applying binomial probability, the estimated probability that exactly one (1) out of the next three (3) throws doesn't hit the target is 4/9.

In order to determine the estimated probability that exactly one (1) out of the next three (3) throws doesn't hit the target, we would apply binomial probability equation:

[tex]P =\; ^nC_r (p)^r (q)^{(n-r)}[/tex]

Based on the information given, we can deduce the following points:

Substituting the given parameters into the equation, we have;

P = ³C₁ × (⅓)¹ × (⅔)³⁻¹

P = 3 × (⅓)¹ × (⅔)²

P = 3 × ⅓ × (⅔)²

P = 1 × 4/9

P = 4/9.

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Answer:

Q1 B

Q2 23.7yd

Step-by-step explanation:

Solution of Q2 is in the picture

Answer:

a) [tex]c^{2}=h^{2}+(b-x)^{2}=h^{2}+b^{2}-2bx+x^{2}[/tex]

Therefore letter B is the correct answer.

b) TP = 23.7 yards  

Step-by-step explanation:

a) We can rewrite [tex](b-x)^{2}[/tex] as (b-x)(b-x), so we have a product of two binomials. We can use the FOIL method to multiply it:

[tex](b-x)(b-x)=b^{2}-bx-bx+x^{2}=b^{2}-2bx+x^{2}[/tex]

so the the Law of Cosines equation will be write as:

[tex]c^{2}=h^{2}+(b-x)^{2}=h^{2}+b^{2}-2bx+x^{2}[/tex]

Therefore letter B is the correct answer.

b) Here we can use the Law of sines.

∠A angle between TD and TP = 65°

∠B angle between TD and DP = 77°

∠C angle between TP and DP = 180° - 77° - 65° = 38°

The equation is:

[tex]\frac{TP}{sin(B)}=\frac{TD}{sin(C)}[/tex]

[tex]\frac{TP}{sin(77)}=\frac{15}{sin(38)}[/tex]    

Solving it for TP, we have:

[tex]TP=sin(77)\frac{15}{sin(38)}=23.7 yards[/tex]  

I hope it helps you!  

Answer:

[tex]5x=100[/tex]

[tex]x=20\ books[/tex]

Step-by-step explanation:

I'm going to assume that all books cost the same.

Let

x ------> the number of books he originally wanted to buy

we know that

[tex](x+4)(5)=100+4(5)[/tex]

[tex]5x+20=100+20[/tex]

[tex]5x=100[/tex] -----> equation that can be used to find the number of books he originally wanted to buy

solve for x

[tex]x=100/5[/tex]

[tex]x=20\ books[/tex]

Nick has 21 pencils and Lance has 63 pencils.

Tony spent a total of $100 on books. Since he bought 4 more books than he originally planned, and each book cost $5, let's denote the original number of books he planned to buy as x. Therefore, the total number of books he ended up buying would be x + 4. Given that the cost of each book is $5, we can establish the equation 5(x + 4) = 100 to represent the total expenditure on books.

To find the number of books he originally wanted to buy, we will solve for x in the equation above:

Multiply 5 by the quantity x + 4 to obtain the left side of the equation.

Set that result equal to 100, as this is the total amount spent.

Solve the equation for x by first distributing the 5, which gives us 5x + 20 = 100, and then subtracting 20 from both sides of the equation to get 5x = 80.

Finally, divide both sides by 5 to find the value of x, which results in x = 16.

Therefore, Tony originally planned to buy 16 books.

Answer:

15 races

Step-by-step explanation:

The team has competed in 45 and has won 30. So the success rate is:

Success rate is:

[tex]Sccess\ rate=r= \frac{30}{45}*100\\ =66.7\ percent[/tex]

We have to find the number of races the team needs to win for 75% success rate

Which means that

[tex]r = \frac{30+x}{45+x} = 0.75\\[/tex]

We have to solve the equation for x

[tex]\frac{30+x}{45+x}=0.75\\ 30+x = 0.75(45+x)\\30+x=33.75+0.75x\\x-0.75x=33.75-30\\0.25x=3.75\\x=\frac{3.75}{0.25}\\ x=15[/tex]

The team needs to win 15 races to get 75% success rate ..

Answer:

120

Step-by-step explanation:

Angle ABC = 1/2 Arc ABC

Angle ABC = 1/2 *240

Angle ABC = 120

Answer:

  a.  y = -7cos(x) +7

Step-by-step explanation:

The middle level of the gum is 7 inches above the ground, and it oscillates 7 inches either side of that. Thus the offset of the cosine function (average height) is 7 and the multiplier (amplitude of oscillation) is also 7. The -7 on the cosine multiplier means the height of the gum is zero at x=0.

The cosine function that describes the height of the gum above the ground as a function of the angular distance, considering the diameter of the bike tire is 14 inches, is y = -7 cos x + 14.

The diameter of the bike tire is 14 inches which means that the radius is 7 inches. The maximum height the gum could reach would be the top of the wheel, or the diameter. The minimum height is when the gum is at the bottom of the wheel, touching the ground, or at 0. Thus, the range of the cosine function should be between 0 and 14. One pattern of the cosine function is that it starts from its maximum point, not from the middle of the range like the sine function. With this information, the correct answer is y = -7 cos x + 14. This starts at 14, dips to 0, and ranges back up to 14.

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Answer:

Option B is correct.

Step-by-step explanation:

We need to find the height of triangle.

The triangle is right angled triangle

We are given Hypotenuse = 25

Perpendicular = h

and angle Ф = 34°

We know that sinФ = Perpendicular / Hypotenuse

sin 34° = h / 25

0.56 = h/25

=> h = 0.56 * 25

=> h = 14 ft

So, the height of triangle is h= 14 ft

So, Option B is correct.

Answer:

It's B!

Step-by-step explanation:

I just took it! Have a good day.

2 x length + 2 x width = perimeter.

2(2s-5) + 2(4s-13) = 108

Simplify:

4s-10 + 8s-26 = 108

Combine like terms:

12s - 36 = 108

Add 36 to both sides:

12s = 144

Divide both sides by 12:

s = 144/12

s = 12

Now replace s with 12 in each equation:

2(12) - 5 = 24-5 = 19

4(12) - 13 = 48-13 = 35

The answer is d. 35,35, 19,19

Answer:  D. 15

Step-by-step explanation:

Given : The revenue each season from tickets at the theme part is represented by [tex]t(x) = 5x[/tex] .

The cost to pay the employees each season is represented by [tex]r(x) = (1.5)x[/tex].

From the given graph , we can see that at 4th season, the profit = 15

Hence, the estimated profit after four seasons. =15

The correct option is d. 15, is the estimated profit after four seasons, rounded to the nearest integer.

Given : The revenue each season from tickets at the theme part is represented by t(x) = 5x .

The cost to pay the employees each season is represented by r(x) = (1.5)x.

From the given graph , we can see that at 4th season, the profit = 15

Hence, the estimated profit after four seasons. =15

Final answer:

To find the endpoints of the other diagonal of the rhombus, we can use the fact that diagonals of a rhombus bisect each other. The endpoints of the other diagonal are (-7, 7) and (-1, 3). Therefore, Option A is the correct answer.

Explanation:

To find the endpoints of the other diagonal of the rhombus, we can use the fact that diagonals of a rhombus bisect each other, meaning they intersect at their midpoints. We can find the midpoint by taking the average of the x-coordinates and the average of the y-coordinates of the given endpoints of the first diagonal.

For the given endpoints (-10, 1) and (2, 9), the midpoint would be ((-10 + 2)/2, (1 + 9)/2), which simplifies to (-4, 5).

Since the diagonals bisect each other, the other diagonal would have the same midpoint. Therefore, the endpoints of the other diagonal would be (-4, 5) and the reflection of (-4, 5) across the midpoint of the given diagonal, which is the midpoint of (-10, 1) and (2, 9). Thus, the correct answer is (-4, 5) and its reflection across (-4, 5), which is (-7, 7) and (-1, 3).

Answer:

  1234

Step-by-step explanation:

Put the number in the expression and do the arithmetic.

  y = 79.31(1.48^7) ≈ 79.31 × 15.554 ≈ 1233.56 ≈ 1234

Answer: There are 1233.55 bacteria on day 7.

Step-by-step explanation:

Since we have given that

[tex]y=79.31(1.48)^x[/tex]

Here, x represents the number of days.

y represents the number of bacteria.

We need to find the number of bacteria on day 7.

So, we put x = 7 as there are 7 days given.

So, our equation becomes,

[tex]y=79.31(1.48)^7\\\\y=1233.55[/tex]

Hence, there are 1233.55 bacteria on day 7.

Answer:

1172.08 square inches

Step-by-step explanation:

Total surface area is area of all the surfaces.

Cylinder:

Top surface = πr^2 = π(4)^2 = 16(3.14) = 50.24

Lateral Surface = 2πrh = 2π(4)(9) = 72π = 72(3.14) = 226.08

Rectangular Prism:

2 sides = 2*(11*11) = 242

front and back = 2*(16*11) = 352

bottom = 16 * 11 = 176

Top part (it is top rectangle - bottom of cylinder) = (16*11) - (π(4)^2) = 125.76

Adding all up, we get:

50.24 + 226.08 + 242 + 352 + 176 + 125.76 = 1172.08 square inches