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zepelin [54]
2 years ago
15

Find the area of a circle with a diameter of 4.

Mathematics
1 answer:
spin [16.1K]2 years ago
5 0
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.
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