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受欢迎的 Word Problems >

find area of a circle whose 半径 is 7cm

解答

f in d a re a o f a c i rc l e w h ose r a d i u s i s 7 c m

解答

a re a : 49 π c m^{2}

+1

十进制

153.93804 \dots

求解步骤

Given:

r a d i u s : 7 c m

给定

r = 7

的圆面积:

A = 49 π

a re a : 49 π c m^{2}

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