Question

if the height of the cone is increased by 15% then volume of that cone will be what?

Answer 1

Volume Of Cone=(πr²h)/3

Now When h is increased by 15%
→h×15/3×100
=h/20

so h/3 becomes=> h/3+h/20=23h/20

replacing this With the main equation....

→volume=(23πr²h)/20

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