试题与答案

大圆的圆周率大,小圆的圆周率小.______.

题型:解答题

题目:

大圆的圆周率大,小圆的圆周率小.______.

答案:

由分析知:大圆的直径大,周长也大,小圆的直径小,周长也小,圆周率是圆的周长和它直径的比值,它不随圆的大小的改变而改变;

故答案为:错误.

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