High School Math : How to find the surface area of a sphere

Study concepts, example questions & explanations for High School Math

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Example Questions

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Example Question #151 : Solid Geometry

What is the surface area of a sphere with a radius of ?

Possible Answers:

Correct answer:

Explanation:

To solve for the surface area of a sphere you must remember the formula:

First, plug the radius into the equation for :

Since , the surface area is .

The answer is therefore .

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