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When finding the area of a circle do you times your raduis by 2?

User Splatch
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Hope this picture explains it
When finding the area of a circle do you times your raduis by 2?-example-1
User Vishesh Mangla
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No. Area of a circle equals pi times the radius squared.  That means multiply the radius times itself. For example, if the radius is 3, the area = π x 3 x 3 = 9π
User Dhm
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