Question

Example-7. Find the volume and the total surface areaof a hemisphere of radius 3.5cm​

Answer 1

here

Explanation:

Volume (V):

V=2/3π(3.5)^3

V=2/3π(42.875)

V≈89.791cm^3

V≈89.791cm

Total Surface Area

A=2π(3.5)^2

A=2π(12.25)

A≈77.251cm^2