Find the height of the right cylinder whose volume is 511 cm3 and the area of th

Question

Find the height of the right cylinder whose volume is 511 cm $^{3}$ and the area of the base is 36.5 cm $^{2}$ .

Options:

A . 3.5 cm

B . 10.5 cm

C . 14 cm

D . None of these

Answer: Option C
:
C

Ans: c.

Soln: Volume of a cylinder = πr $^{2}$ h

Area of the base = π r $^{2}$

Thus, height = $(\frac{V o l}{S u r f a c e A r e a}) = \frac{511}{36.5}$ = 14.

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