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Popular Word Problems >

The area of a circle is 100𝜋 square inches. What is the circumference?

Solution

T h e a re a o f a c i rc l e i s 100​𝜋 s q u a re in c h es . Wha t i s t h e c i rc u m f ere n ce ?

Solution

c i rc u m f ere n ce : 20 π in c h

+1

Decimal

62.83185 \dots

Solution steps

Given:

a re a : 100 π in c h^{2}

Radius given

A re a = 100 π : r = 10

Circle circumference given

r = 10 : C = 20 π

c i rc u m f ere n ce : 20 π in c h

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