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I want to paint all three walls of the kitchen. One was a half cylinder. I want to paint the walls only not the ceiling. The walls are 9-foot high how many square feet will I be painting round to the nearest tenth ​

I want to paint all three walls of the kitchen. One was a half cylinder. I want to-example-1
User YumeYume
by
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1 Answer

5 votes

Answer:


490.9\ ft^(2)

Explanation:

we know that

The total area is equal to


A=10(h)+2\pi r(h)+10(h)

we have


h=9\ ft


r=5.5\ ft


\pi=3.14

substitute


A=10(9)+2(3.14)(5.5)(9)+10(9)


A=490.9\ ft^(2)

User Qingsong
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