the radius of a cone is 20cm.if its volume is 8800cm^3,then find the height of the base..?
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Answer:
Height of the cone = 21 cm.
Explanation:
r = 20 cm
We know, the volume of a cone is
= 1/3 × πr^2h
Therefore, 1/3 × πr^2h = 8800
=> 1/3 × 22/7 × (20)^2 × h = 8800
=> h = 8800 × 3 × 7/22 × 1/(20)^2
=> h = 21 cm
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