SOLUTION: This is for painting purposes. This is a possible question on a contractor licensing test. The inside floor area of a silo is 20sf and 35ft high. What is the inside wall area.

Question 883621: This is for painting purposes. This is a possible question on a contractor
licensing test.
The inside floor area of a silo is 20sf and 35ft high. What is the inside
wall area.
Thank you
Rodger
Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
The inside floor area of a silo is 20sf and 35ft high. What is the inside
wall area.
-------------
Assuming it's round (a cylinder with a flat top):
Find the radius.

r =~ 2.523 ft
---
For the vertical wall:

Area = 554.87 sq ft
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If the top is flat, that's another 20 sq ft
---
If the top is a hemisphere:

= another 40 sq ft
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