1. 在梯形ABCD中,AD平行于BC,角B=55度,角C=70度,AD=n,BC=m,则角D等于_度,CD等于_.2. 以不在同一直线上的三点作平行四边形的三个顶点,则可作出平行四边形的个数是()A.1个B.2个C.3个D.4
来源:学生作业帮助网 编辑:作业帮 时间:2024/08/05 07:16:53
![1. 在梯形ABCD中,AD平行于BC,角B=55度,角C=70度,AD=n,BC=m,则角D等于_度,CD等于_.2. 以不在同一直线上的三点作平行四边形的三个顶点,则可作出平行四边形的个数是()A.1个B.2个C.3个D.4](/uploads/image/z/10309975-7-5.jpg?t=1%EF%BC%8E+%E5%9C%A8%E6%A2%AF%E5%BD%A2ABCD%E4%B8%AD%2CAD%E5%B9%B3%E8%A1%8C%E4%BA%8EBC%2C%E8%A7%92B%3D55%E5%BA%A6%2C%E8%A7%92C%3D70%E5%BA%A6%2CAD%3Dn%2CBC%3Dm%2C%E5%88%99%E8%A7%92D%E7%AD%89%E4%BA%8E%EF%BC%BF%E5%BA%A6%2CCD%E7%AD%89%E4%BA%8E%EF%BC%BF%EF%BC%8E2%EF%BC%8E+%E4%BB%A5%E4%B8%8D%E5%9C%A8%E5%90%8C%E4%B8%80%E7%9B%B4%E7%BA%BF%E4%B8%8A%E7%9A%84%E4%B8%89%E7%82%B9%E4%BD%9C%E5%B9%B3%E8%A1%8C%E5%9B%9B%E8%BE%B9%E5%BD%A2%E7%9A%84%E4%B8%89%E4%B8%AA%E9%A1%B6%E7%82%B9%2C%E5%88%99%E5%8F%AF%E4%BD%9C%E5%87%BA%E5%B9%B3%E8%A1%8C%E5%9B%9B%E8%BE%B9%E5%BD%A2%E7%9A%84%E4%B8%AA%E6%95%B0%E6%98%AF%EF%BC%88%EF%BC%89A%EF%BC%8E1%E4%B8%AAB%EF%BC%8E2%E4%B8%AAC%EF%BC%8E3%E4%B8%AAD%EF%BC%8E4)
xTNA~6J^^kLhi"VRŊPXVe,WB3[6Ml2gs!<7
Ke;izgA M6ֶ?N%\Ԓi٩ErwT'Q^0,)ࢭ2v᭫jVxyzHKZp݃'h`&*ܷ?z,'Q?i{jc`KzK5տ VlVpr;By{cX`)SF* e 5i˳2HejtCRĜրM$ޡkLbccܺFBu4Y8=inK_VcdM:ڀh:9)^%=^GQ6 J{t2胤q:mLlmzo^PM̩Sc߬`:8l
yʭ?