29) Find the area A and circumference Cof a circle of radius 7 mi. Express the answer in terms of pie

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Bastien Girschig · Answer 1 · 2021-06-17T23:40:02+0000

Explanation:

The formula for the area of a circle is pi×radius^2. Therefore the area is 7^2×pi= 49pi miles^2

The formula for the circumference of a circle is pi×diameter. Therefore the circumference is

7×2×pi = 14pi miles