How to find the surface area of a sphere

Practice Questions

GRE Quantitative Reasoning › How to find the surface area of a sphere

Questions
3
1

Find the surface area of a sphere with a diameter of 14. Use π = 22/7.

2

A sphere has a surface area of square inches. If the radius is doubled, what is the surface area of the larger sphere?

3

If a sphere has a volume of cubic inches, what is its surface area?

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