Math, asked by SiyonaDas123, 8 months ago

A hemisphere is made of metal 1cm thick.If outer radius is 5cm,what is mass of the hemisphere?(1cmcube of metal=9g)

Answers

Answered by VinayGulati

1

Step-by-step explanation:

Volume=2/3π(R^3 - r^3)*9

=2/3*22/7(5^3-4^3)*9

=2/3*22/7(125-64)*9

=2/3*22/7*61*9

=1150 cm^3 (approximately)

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