Math, asked by proshan2004, 1 year ago

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

Answers

Answered by mrunmayi10
2
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
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