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受欢迎的 Word Problems >

The 周长 of a circle is 13pi in. What is the area, in square inches? Express your answer in terms of pipi.Answer

解答

T h e c i rc u m f ere n ce o f a c i rc l e i s 13 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 p iπ . A n s w er

解答

a re a : 132.73 i n^{2}

求解步骤

Given:

c i rc u m f ere n ce : 13 π in

给定

C i rc u m f ere n ce = 13 π

的圆半径:

r = 6.5

给定

r = 6.5

的圆面积:

A = 132.73228 \dots

a re a : 132.73 i n^{2}

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