发布时间:2025-01-24 19:09:30
第一题:
圆形桌布的直径=正方形的边长=根号6
所以半径=2分之根号6
所以改成的圆形桌布的面积是3.14×(2分之根号6)²=4.71平方米
第二题:
圆形桌布的半径=根号(9.42÷3.14)=根号3
所以直径=2倍根号3
所以正方形的边长=圆的直径=2倍根号3
所以正方形的面积=(2倍根号3)²=12
祝你开心
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