Question

a solid cylinder of radius 7cm is 10cm long. find its total surface area

Answer 1

Answer:

238pi or 747.32cm^2

Step-by-step explanation:

S=2*pi*7^2+2*10*7*pi=98pi+140pi=238pi

if we assume that pi=3.14

S=238*3.14=747.32cm^2