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Volume of a Right Circular Cone

The diameter ...

Question

The diameter of the base of a cone is 42 cm and its volume is 12936 $c m^{3}$ . Its height is

(a) 28 cm (b) 21 cm (c) 35 cm (d) 14 cm

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Solution

Given,
Vol. of cone=12936
d=42cm
So
r=21cm
Vol. of cone=
12936=×h
h=28cm=height

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Volume of a Right Circular Cone

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