已知等腰梯形ABCD中,AD//BC,对角线AC垂直BD,AD=3cm,BC=7cm,求梯形的面积.已知等腰梯形ABCD中,AD//BC,对角线AC垂直BD,AD=3cm,BC=7cm,求梯形的面积.最少要4种解法
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/26 15:20:43
![已知等腰梯形ABCD中,AD//BC,对角线AC垂直BD,AD=3cm,BC=7cm,求梯形的面积.已知等腰梯形ABCD中,AD//BC,对角线AC垂直BD,AD=3cm,BC=7cm,求梯形的面积.最少要4种解法](/uploads/image/z/14653828-28-8.jpg?t=%E5%B7%B2%E7%9F%A5%E7%AD%89%E8%85%B0%E6%A2%AF%E5%BD%A2ABCD%E4%B8%AD%2CAD%2F%2FBC%2C%E5%AF%B9%E8%A7%92%E7%BA%BFAC%E5%9E%82%E7%9B%B4BD%2CAD%3D3cm%2CBC%3D7cm%2C%E6%B1%82%E6%A2%AF%E5%BD%A2%E7%9A%84%E9%9D%A2%E7%A7%AF.%E5%B7%B2%E7%9F%A5%E7%AD%89%E8%85%B0%E6%A2%AF%E5%BD%A2ABCD%E4%B8%AD%2CAD%2F%2FBC%2C%E5%AF%B9%E8%A7%92%E7%BA%BFAC%E5%9E%82%E7%9B%B4BD%2CAD%3D3cm%2CBC%3D7cm%2C%E6%B1%82%E6%A2%AF%E5%BD%A2%E7%9A%84%E9%9D%A2%E7%A7%AF.%E6%9C%80%E5%B0%91%E8%A6%814%E7%A7%8D%E8%A7%A3%E6%B3%95)
xQn@kQ-F*CdV(#
B> PBbC3sqE,eSi4s{sF.al~+=U+`N$/NE`[ DrGV2l3MWâïN_1ɝ?!;vaR#'1_Wq-Ś&kWSӻoXҠɽ[U _Kw"o,