find the volume of hemisphere if it's diameter is 21 cm
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Answer: Given that,
The diameter of the circle is 21cm
Then, the radius of circle is 21/2 =10.5cm
We know that,
Formula for volume of circle =2/3πr^3
= 2/3 x22/7 x10.5 x10.5 x10.5
=2,425. 5 cm
The volume of hemisphere = 2,425.5cm
I hope it helps you
Thank you
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