Question

find the area of hemisphere whose radius is 21m.


Find the area cylinder whose radius is 14cm​

Answer 1

Here is your answer.

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Answer 2

Answer:

Hemisphere = 3π²

= 3× 22/7× 21×21

= 3×22×3×21

= 4158m³

Cylinder = 2πr(r+h)

= 2 ×22/7× 14 (14+21)

=2*22*2*35

=3080m³