八年级上数学题第二章,特殊三角形的第六节.典中点的题目.要有过程的.①如图,在△ABC中,CE是AB边上的中线,CD⊥AB于点D且AB=5,BC=4,AC=6,求DE的长②已知:如图,在在△ABC中,AB=AC,∠BAC=90°,D是BC上任
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/12 06:58:44
![八年级上数学题第二章,特殊三角形的第六节.典中点的题目.要有过程的.①如图,在△ABC中,CE是AB边上的中线,CD⊥AB于点D且AB=5,BC=4,AC=6,求DE的长②已知:如图,在在△ABC中,AB=AC,∠BAC=90°,D是BC上任](/uploads/image/z/1269570-66-0.jpg?t=%E5%85%AB%E5%B9%B4%E7%BA%A7%E4%B8%8A%E6%95%B0%E5%AD%A6%E9%A2%98%E7%AC%AC%E4%BA%8C%E7%AB%A0%2C%E7%89%B9%E6%AE%8A%E4%B8%89%E8%A7%92%E5%BD%A2%E7%9A%84%E7%AC%AC%E5%85%AD%E8%8A%82.%E5%85%B8%E4%B8%AD%E7%82%B9%E7%9A%84%E9%A2%98%E7%9B%AE.%E8%A6%81%E6%9C%89%E8%BF%87%E7%A8%8B%E7%9A%84.%E2%91%A0%E5%A6%82%E5%9B%BE%2C%E5%9C%A8%E2%96%B3ABC%E4%B8%AD%2CCE%E6%98%AFAB%E8%BE%B9%E4%B8%8A%E7%9A%84%E4%B8%AD%E7%BA%BF%2CCD%E2%8A%A5AB%E4%BA%8E%E7%82%B9D%E4%B8%94AB%3D5%2CBC%3D4%2CAC%3D6%2C%E6%B1%82DE%E7%9A%84%E9%95%BF%E2%91%A1%E5%B7%B2%E7%9F%A5%EF%BC%9A%E5%A6%82%E5%9B%BE%2C%E5%9C%A8%E5%9C%A8%E2%96%B3ABC%E4%B8%AD%2CAB%3DAC%2C%E2%88%A0BAC%3D90%C2%B0%2CD%E6%98%AFBC%E4%B8%8A%E4%BB%BB)
xksH-{ؒ,m~:$ ߚyq!q$r@MjO#+G// P\QPDtOtOOSpsslL[^ǧKÙγxvF~wz|pxj۞&TllwMZO~lh}g?8^j/,
Zڕd R,sxWP{$s(2w%Y"rqIT"I~Gg宄!,)vm],ˋ87m%?h٨{ݳ`)}Y^)@d%o)Ť.}e%% f/}=>y[V.&0@3~LkW ]0^Nmb2]MuhVt<1:óg@V̧\>Ŧ2|0zβ\&X6NE 'XU
҅.z-"Gkyu(|!{N]bɒ+YP]ĺ 9NRGge6'1${ɇU÷Y,:kݔ1_%rqPMQ2B(% #dh$|Lt)Q a!f_l0c?>~͙b0DH'xzjK>>tlBfO! j@=l]D?G*!#T~5w5rd8PM*FdՃ#oEPΧͅ=*
7#ȵ+H$1WV?Gi-T(KT\wcJ]AHA]S`QÙC!^7UϹ]^H2DzNF7w]6d}Re
-jY42OWLm?|:7rJ2'ea@{ u;a8^7‣o\\AbHQoFtv8RVmckxAi\9z`'d]qwRxgB\R/B)KXy77[!K"f6 X 7vs=kx{ zU"(+ 'Li"d1"끈iFRh s$BH2:1|wcݍATajrBVTpX2Ɛsve+ztqlqVzkE?gEgl湌4
=sd>T1rgB! FʠE
PRUXgb*[dt%1-OFϰůT
TN;H5ݜU{@V_&Ňgvm?I2+!U<(rQ@Z
I_+?$NZ;NەnBpuad.D@V ܂*^DpeTamM0㩭{UCEAzU'|jjC$z}I4@
1!$Y͵zӚ |?u]{H
VĎy͓É^Έd )F