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Area of Circles Examples

Example 1

What is the area of a circle with radius 6?

Example 2

You're having a circular Jacuzzi built in your backyard. If the surface of the water will have an area of 12.57 m2, what's the diameter of the Jacuzzi?

Example 3

A circular garden is enclosed by a fence that's 26 feet long. What's the garden's area?