The volume of a cylinder closed at one end is 1056cm³. If it's height is 21cm , find it's (I) diameter

asked Oct 21, 2023 227k views

20 votes

The volume of a cylinder closed at one end is 1056cm³. If it's height is 21cm ,

find it's
(I) diameter

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7 votes

Answer:

8cm

Explanation:

volume = πr²h

1056 = 22/7 (π) ×r²× 21

1056=66r²

r²= 16

r= 4

but diameter = 2r

D= 2×4

Chackle answered Oct 26, 2023

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