3 years ago

The circumference of a circle is 6.28. What is the area of the circle?

1 answer:

5 0

C = 2πr
6.28 = 2(3.14)(r)
6.28 = 2(3.14r)
6.28 = 6.28r
6.28 6.28
1 = r

A = πr²
A = (3.14)(1)²
A = 3.14(1)
A = 3.14 units²

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