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인기 있는 Word Problems >

The 원둘레 of a circle is 8pi kilometers. What is the area?

해법

T h e c i rc u m f ere n ce o f a c i rc l e i s 8 π ki l o m e t ers . Wha t i s t h e a re a ?

해법

a re a : 16 π k m^{2}

+1

소수

50.26548 \dots

솔루션 단계

Given:

c i rc u m f ere n ce : 8 π km

주어진 원 반지름

C i rc u m f ere n ce = 8 π : r = 4

주어진 원 영역

r = 4 : A = 16 π

a re a : 16 π k m^{2}

인기 있는 예

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