Question

the ratio of the whole surface area of solid sphere and a solid hemisphere is

Answer 1

here is ur answer friend .....

TSA of sphere =(4πr^2)
TSA of hemisphere =(3πr^2)

TSA of sphere / TSA of hemisphere
= (4πr^2)/(3πr^2)
=4:3


the ratio is 4:3...........


hope helped, mark as brainliest if it helps u please.....

Answer 2

hope it helps you!!!!!!!!!!!!!!!!!!!