1.

The height of a cone is 15 cm. If its volume is 500π cm3, then find the radius of its base.

Answer»

Height of a cone = 15 cm 

Volume of cone = 500 π cm3 

We know, Volume of cone = \(\frac{1}{3}\)πr2

So, 500π = \(\frac{1}{3}\)πr2 x 15 

r2 = 100 

or r = 10 

Radius of base is 10 cm.



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