Thecircumferenceofacircleisdirectlyproportionaltothelengthofitsradius,anditsareaisdirectlyproportion

2023-04-26

问题描述:

The circumference of a circle is directly proportional to the length of its radius,and its area is directly proportional to the square of the length of its radius.If the circumference of a circle is multiplied by 6,then its area is multiplied by ________
需要翻译及解答


最佳答案:

圆的周长与半径成比例,圆的面积与半径的平方成比例.如果周长扩大6倍,它的面积扩大多少倍?
答:36倍

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