下面这道题怎么样做啊the length of a rectangle is four times its width.

学习时间:2026-09-28 17:50:42 阅读：437

下面这道题怎么样做啊the length of a rectangle is four times its width.if the perimenter is 60cm,what are the length and the width?

强健的小猫咪

2026-09-28 17:50:42

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计算：设宽为x,则长为4x又因为周长为60所以 2(x+4x)=60得到x=6 answer:the length is 24cm,the width is 6cm。