发布时间:2025-02-07 04:06:50
如上图所示,平移原图中的线段,即可得到一个长是50米,宽是30米的长方形,还剩两段g,
所以周长是:
(50+30)×2+2×10
=160+20
=180(米)
答:这座楼房平面的周长是180米.
新装修的家怎么样往墙上钉钉子墙能不掉皮除了一个眼之外其它地方完好
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