Area is 314.2 units2
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A circle with a radius of 10 feet has an area of 314.16 square feet.
A circle with a radius of 10 meters has an area of 314 square meters.
3.14*10*10=314cm2
true
When you try to figure out an area of a circle, you square the radius, then multiply it by pi to get the area of a circle. A radius square is radius x radius, or radius squared.