A circle has a circumference of 16π cm.what is its area?

问题描述:

A circle has a circumference of 16π cm.what is its area?
1个回答 分类:综合 2014-10-29

问题解答:

我来补答
圆的周长为16π 厘米,其面积是多少?
解得半径为8cm,所以面积为64π cm^3
 
 
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