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3 years ago

What is the surface area of a cylinder with a radius of 3ft and a height of 5ft

2 answers:

german3 years ago

8 0

Hey! Thanks for submitting your question to Brainly!

You can use the formula, $A = 2 \pi r h + 2 \pi r^{2}$

Plug in 3 and 5

You get your answer, 150.8.

ycow [4]3 years ago

4 0

The answer is 150.8. there is a cylindrical surface area calculator online if you have anymore related questions

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Answer:

Step-by-step explanation:

v8 + 3 = 8 + v3

-3 -3

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3 years ago

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2 years ago

Two semicircles are attached to the sides of a rectangle as shown.

melomori [17]

Answer:

$157\ in^{2}$

Step-by-step explanation:

we know that

The area of the figure is equal to the area of rectangle plus the area of two semicircles

The area of rectangle is equal to

$A=14*5=70\ in^{2}$

The area of the small semicircle is equal to

$A=\pi r^{2} /2$

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substitute

$A=(3.14)(2.5^{2})/2=9.8125 in^{2}$

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substitute

$A=(3.14)(7^{2})/2=76.93\ in^{2}$

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3 years ago

Read 2 more answers

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VashaNatasha [74]

s = 22 degrees

Assuming I'm interpreting your description accurately, the top right angle of line b will also be 158 degrees because it's a corresponding angle to the top right angle of line a. That means that the top left angle of line b will be a supplementary angle. And supplementary angles add up to 180. So 180 - 158 = 22.

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