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> 把两块含有30°的相同的直角三角尺按如图所示摆放,使点C,B,E在同一直线上,连结CD,若AC=6cm,则△BCD的面积是()-九年级数学
把两块含有30°的相同的直角三角尺按如图所示摆放,使点C,B,E在同一直线上,连结CD,若AC=6cm,则△BCD的面积是()-九年级数学
题目简介
把两块含有30°的相同的直角三角尺按如图所示摆放,使点C,B,E在同一直线上,连结CD,若AC=6cm,则△BCD的面积是()-九年级数学
题目详情
把两块含有30°的相同的直角三角尺按如图所示摆放,使点C,B,E在同一直线上,连结CD,若AC=6cm,则△BCD的面积是( )
题型:填空题
难度:中档
来源:期中题
答案
27cm2
上一篇 :
如图,△ABC的各顶点均在正方形
下一篇 :
已知:△ABC中,AB=13,AC=5,BC=12,点D
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题目简介
把两块含有30°的相同的直角三角尺按如图所示摆放,使点C,B,E在同一直线上,连结CD,若AC=6cm,则△BCD的面积是()-九年级数学
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