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Popular Word Problems >

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

Solution

T h e a re a o f a c i rc l e i s 16 π f t^{2} . Wha t i s t h e c i rc u m f ere n ce, in in c h es ? E x p ress yo u r an s w er in t er m s o f p iπ .

Solution

c i rc u m f ere n ce : 8 π f t

+1

Decimal

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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