The volume of this cylinder is 8700m3. Find the length of the radius, r . Give your answer rounded to 3 SF. The height is 30m.
The volume of this cylinder is 8700m3. Find the length of the radius, r . Give your answer rounded to 3 SF. The height is 30m
The volume of a cylinder is the area of the base times the height. V = h • π • r2 ( π is pi, i.e., 3.1416 )
This specific question 8700 = 30 • 3.14216 • r2
8700 = 94.248 • r2
r2 = 8700 / 94.248 = 92.3097
r = sqrt (92.3097) = 9.6078 = 9.61 meters
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