your friend says that the volume of a sphere with a radius r is four times the volume of a cone with radius r. when is this true
? Justify your answer
1 answer:
Volume of a sphere is given by the formula:
If we pull the 4 out front we have,
.
Volume of a cone is given by the formula:
Notice that if the height of the cone is equal to the radius,
then it's exactly what we see in our volume formula without the 4!
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