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受欢迎的 Word Problems >

The 周长 of a circle is 16pi m. What is the area, in square meters? Express your answer in terms of pipi

解答

T h e c i rc u m f ere n ce o f a c i rc l e i s 16 π m . Wha t i s t h e a re a, in s q u a re m e t ers ? E x p ress yo u r an s w er in t er m s o f p iπ

解答

a re a : 64 π m^{2}

+1

十进制

201.06192 \dots

求解步骤

Given:

c i rc u m f ere n ce : 16 π m

给定

C i rc u m f ere n ce = 16 π

的圆半径:

r = 8

给定

r = 8

的圆面积:

A = 64 π

a re a : 64 π m^{2}

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