A hemisphere of radius 8 cm is cut out from a right circular cylinder of diameter 80 mm and height 160 mm then what will be the centre of gravity of the body from the base ab
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Answer:
Volume of right circular cylinder =
\pi \: r {}^{2} hπr2h
=22/7×14×14×28 =
17248cm {3}^{}17248cm3
Volume me of hemisphere =2/3πr×r×r
=2/3×22/7×14×14×14
=
5749.3cm {}^{3}5749.3cm3
Total volume of solid =17248+5749.3
=
22997.3cm {}^{3}22997.3cm3
Step-by-step explanation:
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