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The area of a circle is 16pi ft^2. What is the circumference, in inches? Express your answer in terms of pipi.

Solution

The area of a circle is 16\pi ft^{2}. What is the circumference, in inches? Express your answer in terms of pi\pi.

Solution

c i rc u m f ere n ce : 8 π f t

+1

Decimal Notation

25.13274 \dots

Solution steps

Given:

a re a : 16 π f t^{2}

Radius given

A re a = 16 π : r = 4

Circle circumference given

r = 4 : C = 8 π

c i rc u m f ere n ce : 8 π f t

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