Question

the circumference of base of the cylinder is 132cm and its height is 25 cm.find the volume of the cylinder

Answer 1

C=2*pi*r
132=44/7*r
132*7/44=r
21=r

radius=21

height=25

volume=pi*r^2*h
V=22/7*21^2*25
=22/7*441*25
=22*63*25
=34650cm^3

Answer 2

circumference of a circle is 2*pi*r=132
2*22/7*r=132
r=132×7/2×22
r=21
volume of the cylinder is =pi*r^2*h
22/7×21×21×25
22×3×21×25
=34650
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