What is the approximate volume of a tree trunk if the trunk is 13 feet tall with a circumference of 4.5 feet?
2 answers:
((I've used 3.14 as pi))
Diameter = circumference / pi
= 4.5 / 3.14
= 1.43
Radius = diameter / 2
= 1.43 / 2
= 0.72
V = pi * r^2 * h
= 3.14 * 0.72^2 * 13
= 21.17
= B
I believe it's 9.4 feet, in my result
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