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12.2 surface area backside
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12.2 surface area backside

12.2 surface area backside-example-1
User Nans
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1 Answer

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Answer:

SA = 250 pi

SA = 785 in^2

Explanation:

Givens

d = 10

h = 20

r = d/2

Formula

r = d/2

r = 10/2

r = 5

SA = 2*pi*r^2 + pi*d*h

Solution

SA = 2 * pi * 5^2 + pi * 10 * 20

SA = 2 * 25 *pi + pi * 200

SA = 50 pi + 200 pi

SA = 250*pi

This is one answer.

The second is 250 * 3.14

SA = 785 in^2

User Nini
by
6.2k points
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