·····墙·········/////////////////////////////━━━━━━━━━━━━━━━A│ 8cm │B│ │D│ │\ │\ │\ │\ │\ │\ │\ │\ │\ │\ │\ │ \ │\ │ \ │\ │\ │\ │\│C王伯伯想让我们帮

来源:学生作业帮助网 编辑:作业帮 时间:2024/05/12 02:16:28
·····墙·········/////////////////////////////━━━━━━━━━━━━━━━A│ 8cm │B│ │D│ │\ │\ │\ │\ │\ │\ │\ │\ │\ │\ │\ │ \ │\ │ \ │\ │\ │\ │\│C王伯伯想让我们帮

·····墙·········/////////////////////////////━━━━━━━━━━━━━━━A│ 8cm │B│ │D│ │\ │\ │\ │\ │\ │\ │\ │\ │\ │\ │\ │ \ │\ │ \ │\ │\ │\ │\│C王伯伯想让我们帮
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A│ 8cm │B
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C
王伯伯想让我们帮一个忙:靠一面墙围一个篱笆.篱笆全长32m,CD为12m.你能求出所围成图形的面积吗?
应该是下面这个

·····墙·········/////////////////////////////━━━━━━━━━━━━━━━A│ 8cm │B│ │D│ │\ │\ │\ │\ │\ │\ │\ │\ │\ │\ │\ │ \ │\ │ \ │\ │\ │\ │\│C王伯伯想让我们帮
所围图形明显是个直角梯形,AB为高,32-12就是上下底的和
(32-12)*8/2=80平方米

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