Question

the whole surface area of a solid right circular cylinder of diameter 7cm is 385sq.cm , find the volume

Answer 1

Answer:

2πr[h+r) = 385

2*22/7*7/2(h+7/2)=385

h+7/2=385*7*2/2*22*7

h+7/2=385/22

h=385/22-7/2

h=14

v=πr^h

v=22/7*7/2*7/2*14

v=539