·····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:六六作业网 时间:2024/08/27 00:26:55
·····墙·········/////////////////////////////━━━━━━━━━━━━━━━A│8cm│B││D││\│\│\│\│\│\│\│\│\│\│\│\│\│\│\
·····墙·········/////////////////////////////━━━━━━━━━━━━━━━A│ 8cm │B│ │D│ │\ │\ │\ │\ │\ │\ │\ │\ │\ │\ │\ │ \ │\ │ \ │\ │\ │\ │\│C王伯伯想让我们帮
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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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