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인기 있는 Word Problems >

The radius of a 원형 is 9 in. Find its area in terms of pipi.

해법

T h e r a d i u s o f a c i rc l e i s 9 in . F in d i t s a re a in t er m s o f p iπ .

해법

a re a : 81 π i n^{2}

+1

소수

254.46900 \dots

솔루션 단계

Given:

r a d i u s : 9 in

주어진 원 영역

r = 9 : A = 81 π

a re a : 81 π i n^{2}

인기 있는 예

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