leticiaomaboe37
Answered

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

Sagot :

denniswalker510

Answer:

8cm

Step-by-step explanation:

volume = πr²h

1056 = 22/7 (π) ×r²× 21

1056=66r²

r²= 16

r= 4

but diameter = 2r

D= 2×4

=8

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