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인기 있는 Word Problems >

The area of a circle is 100pi square inches. What is the 원둘레?

해법

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 ?

해법

c i rc u m f ere n ce : 20 π in c h

+1

소수

62.83185 \dots

솔루션 단계

Given:

a re a : 100 π in c h^{2}

주어진 원 반지름

A re a = 100 π : r = 10

주어진 원 둘레

r = 10 : C = 20 π

c i rc u m f ere n ce : 20 π in c h

인기 있는 예

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