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Popular >

circle has an area of 20ft^2 What is the circumference of the circle (Round to 3 decimal places)?

Solution

circle has an area of 20ft^{2} What is the circumference of the circle (Round to 3 decimal places)?

Solution

c i rc u m f ere n ce : 45 π f t

+1

Decimal Notation

15.85330 \dots

Solution steps

Given:

a re a : 20 f t^{2}

Radius given

A re a = 20 : r = \frac{2 5}{π}

Circle circumference given

r = \frac{2 5}{π} : C = 45 π

c i rc u m f ere n ce : 45 π f t

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