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padilas [110]
3 years ago
7

A water tank is in the shape of a right circular cylinder with a height of 20 feet and a volume of 320π cubic feet. What is the

diameter, in feet, of the water tank?
Mathematics
1 answer:
babymother [125]3 years ago
7 0
The formula for volume of a cylinder is  V=π r^2 h.
So plug in,
320π=<span>π r^2 20
solve (sadmep (opposite of pemdas))
divide pi out
320=r^2 20
divide 20 out
16=r^2
square root of 16 is 4, so the radius is 4. 
Since the 2r=d, the diameter is 8.
P.s. lol it thought I was copying an answer from online...





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