Hemisphere
Mensuration of Class 10
A half of a sphere is known as hemisphere.
Curved surface area = 2πr2.
Total surface area = C.S.A. + other area
= 2πr2 + πr2
= 3πr2
Volume = 2/3πr3
HEMISPHERE SHELL:
Thickness = R - r
Volume = 
A half of a sphere is known as hemisphere.
Curved surface area = 2πr2.
Total surface area = C.S.A. + other area
= 2πr2 + πr2
= 3πr2
Volume = 2/3πr3
Thickness = R - r
Volume =
