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受欢迎的 Word Problems >

The 周长 of a circle is 23pi in. What is the area, in square inches? Express your answer in terms of

解答

T h e c i rc u m f ere n ce o f a c i rc l e i s 23 π in . Wha t i s t h e a re a, in s q u a re in c h es ? E x p ress yo u r an s w er in t er m s o f

解答

a re a : 415.48 i n^{2}

求解步骤

Given:

c i rc u m f ere n ce : 23 π in

给定

C i rc u m f ere n ce = 23 π

的圆半径:

r = 11.5

给定

r = 11.5

的圆面积:

A = 415.47562 \dots

a re a : 415.48 i n^{2}

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