1.如图,在平行四边形ABCD的周长是40cm,对角线AC、BD相交于点O,△BOC的周长比△AOB的周长小6cm,求AB、BC的长2.如图,在平行四边形ABCD中,EF是对角线BD上两点,BE=DF,则AE=CF,则AE=CF,试说明理由3.如图,在平
来源:学生作业帮助网 编辑:作业帮 时间:2024/08/29 04:29:04
![1.如图,在平行四边形ABCD的周长是40cm,对角线AC、BD相交于点O,△BOC的周长比△AOB的周长小6cm,求AB、BC的长2.如图,在平行四边形ABCD中,EF是对角线BD上两点,BE=DF,则AE=CF,则AE=CF,试说明理由3.如图,在平](/uploads/image/z/1776176-8-6.jpg?t=1.%E5%A6%82%E5%9B%BE%2C%E5%9C%A8%E5%B9%B3%E8%A1%8C%E5%9B%9B%E8%BE%B9%E5%BD%A2ABCD%E7%9A%84%E5%91%A8%E9%95%BF%E6%98%AF40cm%2C%E5%AF%B9%E8%A7%92%E7%BA%BFAC%E3%80%81BD%E7%9B%B8%E4%BA%A4%E4%BA%8E%E7%82%B9O%2C%E2%96%B3BOC%E7%9A%84%E5%91%A8%E9%95%BF%E6%AF%94%E2%96%B3AOB%E7%9A%84%E5%91%A8%E9%95%BF%E5%B0%8F6cm%2C%E6%B1%82AB%E3%80%81BC%E7%9A%84%E9%95%BF2.%E5%A6%82%E5%9B%BE%2C%E5%9C%A8%E5%B9%B3%E8%A1%8C%E5%9B%9B%E8%BE%B9%E5%BD%A2ABCD%E4%B8%AD%2CEF%E6%98%AF%E5%AF%B9%E8%A7%92%E7%BA%BFBD%E4%B8%8A%E4%B8%A4%E7%82%B9%2CBE%3DDF%2C%E5%88%99AE%3DCF%2C%E5%88%99AE%3DCF%2C%E8%AF%95%E8%AF%B4%E6%98%8E%E7%90%86%E7%94%B13.%E5%A6%82%E5%9B%BE%2C%E5%9C%A8%E5%B9%B3)
xT]OP+ ~JnuԱ0.^nflH"3
M>i@Wy"Q*ƱnΞQ}GD$~:]91WuLdX[VDN jѭZ{G^Aq;+"B
@AV?
ȑKĨ Uki29"$tߗ7,1&%\]4K4.?4J0uYm*Qs:5%*(>}$%a(sz!_a2! B3tn*W0eÌ̑0-H(d'0\t*Oųdp8Ȕʐ)UJkppPX&*ln$
:Z8OSa>rFxIrI>i!FKyT"ϴW:~1w.It0 4-{kiOmDtI)`}+hjbYD+5%J"$