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受欢迎的 Word Problems >

The 半径 of a circle is 7 in. Find its area in terms of pi

解答

T h e r a d i u s o f a c i rc l e i s 7 in . F in d i t s a re a in t er m s o f π

解答

a re a : 49 π i n^{2}

+1

十进制

153.93804 \dots

求解步骤

Given:

r a d i u s : 7 in

给定

r = 7

的圆面积:

A = 49 π

a re a : 49 π i n^{2}

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