GRE Math : Cylinders

Study concepts, example questions & explanations for GRE Math

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Example Questions

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Example Question #11 : Solid Geometry

A cylinder with volume of  and a radius of  has its radius doubled. What is the volume of the new cylinder?

Possible Answers:

Correct answer:

Explanation:

To begin, you must solve for the height of the original cylinder. We know:

For our values, we know:

Now, divide both sides by :

So, if we have a new radius of , our volume will be:

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