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Popular Word Problems >

The circumference of a circle is 144pi ft^2. What is the area, in square feet? Express your answer in terms of pipi.

Solution

T h e c i rc u m f ere n ce o f a c i rc l e i s 144 π f t^{2} . Wha t i s t h e a re a, in s q u a re f ee t ? E x p ress yo u r an s w er in t er m s o f p iπ .

Solution

a re a : 5184 π f t^{2}

+1

Decimal

16286.01631 \dots

Solution steps

Given:

c i rc u m f ere n ce : 144 π f t

Radius given

C i rc u m f ere n ce = 144 π : r = 72

Circle Area given

r = 72 : A = 5184 π

a re a : 5184 π f t^{2}

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