如图1,直角梯形ABCD中,AB∥CD,∠A=90°,CD=3,AD=4,tanB=2,过点C作CH⊥AB,垂足为H..点P为线段AD上一动点,直线PE∥AB,分别交BC、CH于点E、Q.以PE为斜边向右作等腰Rt△PEF,直线EF交直线AB于点M,直线PF交直
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/18 09:45:21
![如图1,直角梯形ABCD中,AB∥CD,∠A=90°,CD=3,AD=4,tanB=2,过点C作CH⊥AB,垂足为H..点P为线段AD上一动点,直线PE∥AB,分别交BC、CH于点E、Q.以PE为斜边向右作等腰Rt△PEF,直线EF交直线AB于点M,直线PF交直](/uploads/image/z/14555267-35-7.jpg?t=%E5%A6%82%E5%9B%BE1%2C%E7%9B%B4%E8%A7%92%E6%A2%AF%E5%BD%A2ABCD%E4%B8%AD%2CAB%E2%88%A5CD%2C%E2%88%A0A%3D90%C2%B0%2CCD%3D3%2CAD%3D4%2CtanB%3D2%2C%E8%BF%87%E7%82%B9C%E4%BD%9CCH%E2%8A%A5AB%2C%E5%9E%82%E8%B6%B3%E4%B8%BAH%EF%BC%8E%EF%BC%8E%E7%82%B9P%E4%B8%BA%E7%BA%BF%E6%AE%B5AD%E4%B8%8A%E4%B8%80%E5%8A%A8%E7%82%B9%2C%E7%9B%B4%E7%BA%BFPE%E2%88%A5AB%2C%E5%88%86%E5%88%AB%E4%BA%A4BC%E3%80%81CH%E4%BA%8E%E7%82%B9E%E3%80%81Q%EF%BC%8E%E4%BB%A5PE%E4%B8%BA%E6%96%9C%E8%BE%B9%E5%90%91%E5%8F%B3%E4%BD%9C%E7%AD%89%E8%85%B0Rt%E2%96%B3PEF%2C%E7%9B%B4%E7%BA%BFEF%E4%BA%A4%E7%9B%B4%E7%BA%BFAB%E4%BA%8E%E7%82%B9M%2C%E7%9B%B4%E7%BA%BFPF%E4%BA%A4%E7%9B%B4)
xT]OA+Ƥo;3
EC/`>YZFmiiDФ?2O^Ӛ4issܽYh:_6f h]!l䷍ȿ}_0B~,B~EH \;{d4FQ.9,7+ym.HGo-4+K(ģaVfu+hXzhDnqwy
Qk}srğ=2ȶwW:wӍr4_.ǼVB'ߜ:_u>(#`[ u^+ ˮcZz}(^}!kRYԜۢX"HyMVbZ|,!fbpH[ $3~FMGlGr 3G5]aG1[X%,Qr4SgFMd`a2)N&3Ez.L9RL[PbX\^]brnw:U*L-K7eSxX%ĕ\k̵k11L^2kFF/[7)(AHR5
˖ |^#J]L&\tS,g睔h;iMQ#Q{mCml)
如图1,直角梯形ABCD中,AB∥CD,∠A=90°,CD=3,AD=4,tanB=2,过点C作CH⊥AB,垂足为H..点P为线段AD上一动点,直线PE∥AB,分别交BC、CH于点E、Q.以PE为斜边向右作等腰Rt△PEF,直线EF交直线AB于点M,直线PF交直
如图1,直角梯形ABCD中,AB∥CD,∠A=90°,CD=3,AD=4,tanB=2,过点C作CH⊥AB,垂足为H.
.点P为线段AD上一动点,直线PE∥AB,分别交BC、CH于点E、Q.以PE为斜边向右作等腰Rt△PEF,直线EF交直线AB于点M,直线PF交直线AB于点N.设PD的长为x,MN的长为y.
(2)求y与x的函数关系式及自变量x的取值范围(图2为备用图);
(3)当点M在线段AH上时,求x的取值范围(图3为备用图).
如图1,直角梯形ABCD中,AB∥CD,∠A=90°,CD=3,AD=4,tanB=2,过点C作CH⊥AB,垂足为H..点P为线段AD上一动点,直线PE∥AB,分别交BC、CH于点E、Q.以PE为斜边向右作等腰Rt△PEF,直线EF交直线AB于点M,直线PF交直
http://www.jyeoo.com/math/ques/detail/b8693785-0738-4377-adc8-e9d3325ada39
直角梯形ABCD中,AB//CD,CD
如图,在直角梯形ABCD中,AB∥CD,AD⊥DC,AB=BC,且AE垂直BC
直角梯形abcd中,ab//cd,
如图,在直角梯形ABCD中,AB∥CD,AB=BC,AB=20,CD=4,AE⊥BC,1、AE的长2、梯形ABCD的面积.
如图在直角梯形ABCD中,AB∥CD,AD垂直CD,AE垂直BC于E,AB=BCE,AB=BC求证CD=CE
如图,在直角梯形abcd中,ab//cd,ad⊥cd,ab=1cm,ad=2cm,cd=4cm,则bc=
如图,梯形ABCD中,AB‖CD且AB
如图,梯形ABCD中,AB‖CD且AB
如图1,在直角梯形ABCD中,AB∥CD,∠C=90°,AE⊥CD于E,DE=3,AE=4,对角线BD平分∠ADC.如图1,在直角梯形ABCD中,AB∥CD,∠C=900,AE⊥CD于E,DE=3,AE=4,对角线BD平分∠ADC.(1)求梯形ABCD的面积;(2)如图2,一动点P从D
如图,在直角梯形ABCD中,AC=CD,AB=1/4CD,E是AC中点,求证△ABE∽△CED
如图,在直角梯形ABCD中,AC=CD,AB=1/4CD,E 是AC中点,求证△ABE∽△CED
如图,在直角梯形ABCD中,AC=CD,AB=1/4CD,E是AC中点,求证 △ABE∽△CED
已知梯形ABCD中,AB‖CD(1)如图,点M是腰BC的中点,且AM=DM,求证:梯形ABCD是直角梯形已知梯形ABCD中,AB‖CD(1)如图,点M是腰BC的中点,且AM=DM,求证:梯形ABCD是直角梯形(2)如图,点N是底CD的中点,且AN=BN,求
如图,在直角梯形ABCD中,AB//CD,AD⊥CD于D,AE⊥BC于E,AB=BC,求证:CD=CE
如图,直角梯形ABCD中,AD‖BC,AB⊥BC,E为CD中点,已知AB=5,BE=6.5,求梯形的面积.
如图,直角梯形ABCD中AD平行BC,AB垂直BC,E为CD中点,已知AB=5,BE=6.5,求梯形的面积.
如图,在直角梯形ABCD中,AB∥CD,AD⊥DC,AB=BC,且AE⊥BC(1)求证:AD=AE(2)若AD=8,DC=4,求AB的长
如图,直角梯形ABCD中,∠A=90°,AB=7,BC-AD=1,以CD为直径的圆O交AB于点E、F,AE=1求梯形ABCD的周长.