在长方形中,ABB1A1中,AB=6cm,BB1=3cm,CC1、DD1是A1B、AB三等分线段,A1B交C1C、D1D于M、N,把此图以C1C、D1D为折痕且A1A与B1B重合折成一个三棱柱侧面,制作出模型,并观察折成棱柱前后A1B的变化.
来源:学生作业帮助网 编辑:作业帮 时间:2024/08/27 01:27:02
![在长方形中,ABB1A1中,AB=6cm,BB1=3cm,CC1、DD1是A1B、AB三等分线段,A1B交C1C、D1D于M、N,把此图以C1C、D1D为折痕且A1A与B1B重合折成一个三棱柱侧面,制作出模型,并观察折成棱柱前后A1B的变化.](/uploads/image/z/14222795-59-5.jpg?t=%E5%9C%A8%E9%95%BF%E6%96%B9%E5%BD%A2%E4%B8%AD%2CABB1A1%E4%B8%AD%2CAB%3D6cm%2CBB1%3D3cm%2CCC1%E3%80%81DD1%E6%98%AFA1B%E3%80%81AB%E4%B8%89%E7%AD%89%E5%88%86%E7%BA%BF%E6%AE%B5%2CA1B%E4%BA%A4C1C%E3%80%81D1D%E4%BA%8EM%E3%80%81N%2C%E6%8A%8A%E6%AD%A4%E5%9B%BE%E4%BB%A5C1C%E3%80%81D1D%E4%B8%BA%E6%8A%98%E7%97%95%E4%B8%94A1A%E4%B8%8EB1B%E9%87%8D%E5%90%88%E6%8A%98%E6%88%90%E4%B8%80%E4%B8%AA%E4%B8%89%E6%A3%B1%E6%9F%B1%E4%BE%A7%E9%9D%A2%2C%E5%88%B6%E4%BD%9C%E5%87%BA%E6%A8%A1%E5%9E%8B%2C%E5%B9%B6%E8%A7%82%E5%AF%9F%E6%8A%98%E6%88%90%E6%A3%B1%E6%9F%B1%E5%89%8D%E5%90%8EA1B%E7%9A%84%E5%8F%98%E5%8C%96.)
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