阅读材料:在一直角三角形中,30°角所对的直角边等于斜边的一半.由上面材料回答下面问题.如图,在等腰梯形ABCD中,AD∥BC,AD=4,BC=8,点M是AD的中点,∠AMB=60°.动点P从B出发,动点Q从C出发,均以1cm/s的
来源:学生作业帮助网 编辑:作业帮 时间:2024/06/16 09:25:44
![阅读材料:在一直角三角形中,30°角所对的直角边等于斜边的一半.由上面材料回答下面问题.如图,在等腰梯形ABCD中,AD∥BC,AD=4,BC=8,点M是AD的中点,∠AMB=60°.动点P从B出发,动点Q从C出发,均以1cm/s的](/uploads/image/z/12490755-51-5.jpg?t=%E9%98%85%E8%AF%BB%E6%9D%90%E6%96%99%EF%BC%9A%E5%9C%A8%E4%B8%80%E7%9B%B4%E8%A7%92%E4%B8%89%E8%A7%92%E5%BD%A2%E4%B8%AD%2C30%C2%B0%E8%A7%92%E6%89%80%E5%AF%B9%E7%9A%84%E7%9B%B4%E8%A7%92%E8%BE%B9%E7%AD%89%E4%BA%8E%E6%96%9C%E8%BE%B9%E7%9A%84%E4%B8%80%E5%8D%8A.%E7%94%B1%E4%B8%8A%E9%9D%A2%E6%9D%90%E6%96%99%E5%9B%9E%E7%AD%94%E4%B8%8B%E9%9D%A2%E9%97%AE%E9%A2%98.%E5%A6%82%E5%9B%BE%2C%E5%9C%A8%E7%AD%89%E8%85%B0%E6%A2%AF%E5%BD%A2ABCD%E4%B8%AD%2CAD%E2%88%A5BC%2CAD%3D4%2CBC%3D8%2C%E7%82%B9M%E6%98%AFAD%E7%9A%84%E4%B8%AD%E7%82%B9%2C%E2%88%A0AMB%3D60%C2%B0.%E5%8A%A8%E7%82%B9P%E4%BB%8EB%E5%87%BA%E5%8F%91%2C%E5%8A%A8%E7%82%B9Q%E4%BB%8EC%E5%87%BA%E5%8F%91%2C%E5%9D%87%E4%BB%A51cm%2Fs%E7%9A%84)
xWYs+wґhظ >3EO"UDT'FdPEّ+kĔڕI3)
.H>/ (ʸ-h{{wOKo}[X:]!k{n\}}+OζzWU\Z=zkH+>^bڼ[~{k)Jv&95ymtFKg;|saxKH
62ZELd6C䰣wv'RaD¯v99!q~uѽ{S+`K5O(ѱi.栒o=&G[P&d!!䉳L;6Wnjͫms[A:u
q^xnL,G 6Z7 tH㨵_$g߄s=AęT]4<=~<j\]E K9!sQ|D2um ]\o}{ a0xl `nq@jfsS\g\oؘvg_;ؗbthxt{cѼ5\{poDpѺ'c#%ŏd]EalϵƬB2)%%QT,9.y%!ZEJmAMr2iJ-&E5SI*Rr,RVJlYG2
SJdK,NmItl%RT\1'T9.I;@[ 0վeلi),3[k
_ylsʥYZ]f9ׂjeo!-YR=U;g6rlۏ&N%eC0 շ/x&3Ic! Z
G等MJM?̱3]SIioUi' >ܣM*(ԍe
rA#H@lǫhS-g{~=B[Y`el15HsF03:mdL'$@R}nDݼ VKfj>Yz"#Z&R.>v.vrBO̜C1$"uI<͘꾴q7cGJxA\0DYV @ ci){<Ɏnf5O
gda͐v,6@TrIS ŁLke`4NU)rlӍ4-n@À06j}}
|ӃW3@A&$>O;1cp;9J)0AJ 9
bG3MݠOD;?M=*q^T'F+JOaVYER~Lx1IJfO0qvHIb(iD${{3rZ?;ZaYSCH~ԯ#%2.
>wJP˘(X|P^(dnzG[1
hOo"ƗFFWD ͆+GtE6h^