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受欢迎的 Word Problems >

The 半径 of a circle is 2 meters. What is the circle's area?

解答

T h e r a d i u s o f a c i rc l e i s 2 m e t ers . Wha t i s t h e c i rc l e^{'} s a re a ?

解答

a re a : 4 π m^{2}

+1

十进制

12.56637 \dots

求解步骤

Given:

r a d i u s : 2 m

给定

r = 2

的圆面积:

A = 4 π

a re a : 4 π m^{2}

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