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

学习时间:2026-08-13 18:51:46 阅读：1671

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?

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2026-08-13 18:51:46

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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。