Asked by priya
the ratio between the radius of the base and height of a cylinder is 2:3.if its volume is 1617.find the total surface area of cylinder
Answers
Answered by
Steve
r/h = 2/3 so h = 3r/2
v = πr^2h = 3π/2 r^3 = 1617
r = 7
so, h = 21/2
Now just find the area
a = 2πr(r+h)
v = πr^2h = 3π/2 r^3 = 1617
r = 7
so, h = 21/2
Now just find the area
a = 2πr(r+h)
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