圆的周长=2*3*3.14=18.84厘米
正方形边长=18.84/4=4.71厘米
正方形面积=4.71^2=22.1841平方厘米
一个正方形和一个圆的周长相等已知圆的半径是3厘米问正方形的面积是多少厘米?
一个正方形和一个圆的周长相等已知圆的半径是3厘米问正方形的面积是多少厘米?
数学人气：503 ℃时间：2019-08-21 15:46:50
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