1 如图:梯形ABCD中AD//BC高h=5cm,两底之差为6cm,他的面积为50cm^2,求它的两底长2 如图:梯形ABCD中AD//BC,AB=CD=3,BD垂直于AB若角ADB=30度,求BC的长3 如图:在梯形ABCD中,AB//CD,中位线EF=6,对角线AC垂直于BD,角
来源:学生作业帮助网 编辑:作业帮 时间:2024/06/17 18:27:38
![1 如图:梯形ABCD中AD//BC高h=5cm,两底之差为6cm,他的面积为50cm^2,求它的两底长2 如图:梯形ABCD中AD//BC,AB=CD=3,BD垂直于AB若角ADB=30度,求BC的长3 如图:在梯形ABCD中,AB//CD,中位线EF=6,对角线AC垂直于BD,角](/uploads/image/z/9498581-53-1.jpg?t=1+%E5%A6%82%E5%9B%BE%3A%E6%A2%AF%E5%BD%A2ABCD%E4%B8%ADAD%2F%2FBC%E9%AB%98h%3D5cm%2C%E4%B8%A4%E5%BA%95%E4%B9%8B%E5%B7%AE%E4%B8%BA6cm%2C%E4%BB%96%E7%9A%84%E9%9D%A2%E7%A7%AF%E4%B8%BA50cm%5E2%2C%E6%B1%82%E5%AE%83%E7%9A%84%E4%B8%A4%E5%BA%95%E9%95%BF2+%E5%A6%82%E5%9B%BE%EF%BC%9A%E6%A2%AF%E5%BD%A2ABCD%E4%B8%ADAD%2F%2FBC%2CAB%3DCD%3D3%2CBD%E5%9E%82%E7%9B%B4%E4%BA%8EAB%E8%8B%A5%E8%A7%92ADB%3D30%E5%BA%A6%2C%E6%B1%82BC%E7%9A%84%E9%95%BF3+%E5%A6%82%E5%9B%BE%EF%BC%9A%E5%9C%A8%E6%A2%AF%E5%BD%A2ABCD%E4%B8%AD%2CAB%2F%2FCD%2C%E4%B8%AD%E4%BD%8D%E7%BA%BFEF%3D6%2C%E5%AF%B9%E8%A7%92%E7%BA%BFAC%E5%9E%82%E7%9B%B4%E4%BA%8EBD%2C%E8%A7%92)
xSN@}^hbb:$&hODܽ aCD *&&0r+M+fR$)w3|s-gSpusPƅ#4)t?%C_AFA³E;x 9z*Ĥ1J>6\^Vֽ~ծNpmK7J239y"h&0lO<
Q.3HzЂ0@9-m_~35?1$QRF&)V?>XV+.^v(7=Ä4#yM) j"m']uݮ~˴`߿!L Q(hH~P69R gtSRb