A hollow cylinder is of height 21 decimetre. Its outer and inner diameter are 10 cm and 6 cm respectively. Find its volume.
KHUSHIANUPRIYA:
its decimeter or centimetre
centimeter
Answers
Answered by
2
Volume of cylinder= 21x[π(10/2)^2-π(6/2)^2]
= 21xπ(25-9)
= 336π cm^2
= 1055.57 cm^2
= 21xπ(25-9)
= 336π cm^2
= 1055.57 cm^2
Answered by
4
volume of cylinder = 2πRh +2πrh+ 2(R square-
r square)
r square)
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