6.A solid right circular cone of height 60cm and radius 30cm is dropped in a right circular cylinder full of water of height 180cm and radius 60cm, find the volume of water left in the cylinder in cubic metres. Solved
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Answer:
Step-by-step explanation:
volume of water left=volume of cylinder-volume of cone
=pi.R^2.H-pi.r^2.h/3
22/7 x 60 x 60 x 180-22/7 x 30 x 30 x60/3
=22/7 x 30 x 30 x 20 (36-1)
=22/7 x 30 x30 x 20 x 35
=1980000cm^3=1980 litres
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