在三角形ABC中,AB=AC=2,∠A=90度,取一块含45度角的直角三角尺,将直角顶点放在斜边BC边的中点O处(如图1),绕O点顺时针方向旋转,使90度角的两边与三角形ABC的两边AB,AC分别相交与点E、F(如图2)
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/29 14:30:05
![在三角形ABC中,AB=AC=2,∠A=90度,取一块含45度角的直角三角尺,将直角顶点放在斜边BC边的中点O处(如图1),绕O点顺时针方向旋转,使90度角的两边与三角形ABC的两边AB,AC分别相交与点E、F(如图2)](/uploads/image/z/8642486-38-6.jpg?t=%E5%9C%A8%E4%B8%89%E8%A7%92%E5%BD%A2ABC%E4%B8%AD%2CAB%3DAC%3D2%2C%E2%88%A0A%3D90%E5%BA%A6%2C%E5%8F%96%E4%B8%80%E5%9D%97%E5%90%AB45%E5%BA%A6%E8%A7%92%E7%9A%84%E7%9B%B4%E8%A7%92%E4%B8%89%E8%A7%92%E5%B0%BA%2C%E5%B0%86%E7%9B%B4%E8%A7%92%E9%A1%B6%E7%82%B9%E6%94%BE%E5%9C%A8%E6%96%9C%E8%BE%B9BC%E8%BE%B9%E7%9A%84%E4%B8%AD%E7%82%B9O%E5%A4%84%EF%BC%88%E5%A6%82%E5%9B%BE1%EF%BC%89%2C%E7%BB%95O%E7%82%B9%E9%A1%BA%E6%97%B6%E9%92%88%E6%96%B9%E5%90%91%E6%97%8B%E8%BD%AC%2C%E4%BD%BF90%E5%BA%A6%E8%A7%92%E7%9A%84%E4%B8%A4%E8%BE%B9%E4%B8%8E%E4%B8%89%E8%A7%92%E5%BD%A2ABC%E7%9A%84%E4%B8%A4%E8%BE%B9AB%2CAC%E5%88%86%E5%88%AB%E7%9B%B8%E4%BA%A4%E4%B8%8E%E7%82%B9E%E3%80%81F%EF%BC%88%E5%A6%82%E5%9B%BE2%EF%BC%89)
xVmOV+R%hILq+ۋ'LIlk}JidPZH(Z(L!Bސ)m>zQ*mXrsHZVE}xAi'9G
kQ-JeG/+h $hO}xkMզLz]8RpZ^ջG
GBOvtg"%p7JYA-ʌ!αì46.19TBwJCin@ \$:%}P2H]k: p5tA7yuԵC(6P&]}wQ}.)5LK^mZ>bJDHlDvDuUV_+xJK$GS/tszަ;bMzG6Q7S*|[}V"ďlHS;8ه v`dl,
E<#h=ԯ#i96J2rmoMSlIbWS):S#O
'd*ò70Nd Br 2a&m,fLPyt2q9LbP+b̝ȵ94vZ!\{o>``IJJiP+un<*WXI|NjW8 ( 7Dn!*oE`p|R#&+:QT0g^a%βa` Hm梬(x&Ch