1.如图,AD=BC,AC=BD,证:△EAB是等腰三角形2.如图,△ABC中,∠ACB=90°,CD是高,∠A=30°,求:BD=1/2AB尽量简便第二题图
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/31 09:29:20
![1.如图,AD=BC,AC=BD,证:△EAB是等腰三角形2.如图,△ABC中,∠ACB=90°,CD是高,∠A=30°,求:BD=1/2AB尽量简便第二题图](/uploads/image/z/10756328-32-8.jpg?t=1.%E5%A6%82%E5%9B%BE%2CAD%3DBC%2CAC%3DBD%2C%E8%AF%81%EF%BC%9A%E2%96%B3EAB%E6%98%AF%E7%AD%89%E8%85%B0%E4%B8%89%E8%A7%92%E5%BD%A22.%E5%A6%82%E5%9B%BE%2C%E2%96%B3ABC%E4%B8%AD%2C%E2%88%A0ACB%3D90%C2%B0%2CCD%E6%98%AF%E9%AB%98%2C%E2%88%A0A%3D30%C2%B0%2C%E6%B1%82%3ABD%3D1%2F2AB%E5%B0%BD%E9%87%8F%E7%AE%80%E4%BE%BF%E7%AC%AC%E4%BA%8C%E9%A2%98%E5%9B%BE)
xV[sF+;CK Fh%@$@jO
xs]:n2ibL2ӟzvuA>!~{*\bC2EY@RP$O:['iY`lUů8D$G^eW}dpABf"D_
oÇf6ۀh)uy4 ~\T0.v5}L`?(kLvapa2l/!Ueikw\F3d/Dd>Ip)^ ^78䢱H(X\U.5LՍ8J\74UY>304bj,a1
}^ (Dcb k«x3ƓIu6kpb
RpWy'"io(^$'I+2FaZM{\
?M$fEt\3 $e){QFIpCn2U-Qm2@b
UK." ɽ}1I& Khe>wv!Iz!rILrInxNYbA^nt|_