Question

The ratio of total surface area to the curved surface area of a right circular cylinder is 3 ratio 2 find the volume if it total surface area is 14784cm square.

Answer 1

here is your answer.
CSA=2Pi×r×h
TSA=2Pi×r(h+r)
according to the question.
2pi×r×(h+r)
---------------- = 3÷2
2pi×r×h

(h+r)÷h=3÷2
2r=h

by TSA FORMULA
2pi×r(2r+r)=14784
6pi×r×r=14784
r×r=784
r=28

NOW VOLUME =pi×r×r×h
22÷7×28×28×2×28
137984cm2
THIS YOUR ANSWER SOLVED BY DIKS

Answer 2

that is your correct answer