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Find the height of the cone if the volume is 400pi in.^3
and the radius is 20 in


Sagot :

Answer:

The height is 3

Step-by-step explanation:

The formula to find the volume is pi r^2 h/3

So we change the formula: 400pi is 1256.64 rounded

Divide 1256.64 by pi 20^2 and you get 3