## Find the area of a circle with a diameter of 4. Either enter an exact answer in terms of it or use 3.14 for IT and enter your answer a

Question

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## Answers ( )

The formula for area of a circle is (pi)*radius^2

Radius is half of diameter so the radius is 2.

2 squared is 4, then multiply by pi to get an answer of 4(pi) or 12.56.