AB=AC,AE=AD,∠EAB=∠DAC,那么BE与CD相等吗?为什么?图————E、F是AC上的两点,AF=CE,BF=DE,DE‖BF,那么AB与CD相等吗?为什么图————

来源:学生作业帮助网 编辑:作业帮 时间:2024/10/03 07:33:43
xՔNP_e!1dmf ޖMM1񯁒0AC2e+WƂC$&&s=9-[TU3̪ 6|kMg4fu#\jliQ"CI}ʤ\Su{z{aZr֬a QYԬNrg4οL3[I{\޷oݗ*\_~bta@P'Re ! NY)FrQDjHql"6D'SDd,"Q%֑K\&RFtN P+E(9u rRCbb>sEW<3{< ^$!CLxv(EA8pH(y"QޥU(Jp3g\EasH`^Rx$QG -WdlQLi0M(j,EUۉ㍙/q/m"H4m[3szrdj\HH7^Ѕx"=@ D -ξy&֗&L`z {ճz FZڅsY\cEgc# |<ۛmtsZ-x΄ [p'Ɖd굮LW CS>zLpa^•]7k`n/| :ѭsԌ(4w6 %8YҌv<Ft5+8
已知如图,AE=AC,∠E=∠C,∠EAB=∠CAD,求证:AB=AD 如图,AC=AB,AE=AD,∠EAB=∠DAC,求证:BD=CE 已知:如图,AE=AC,AB=AD,∠EAB=∠CAD 已知:如图,AE=AC,AB=AD,∠EAB=∠CAD已知:如图,AE=AC,AB=AD,∠EAB=∠CAD 求证:①△ABC全等于△ADE;②∠1=∠2 如图AB⊥AC,AD⊥AE,AB=AC,AD=AE.求证:△DAC≌三角形EAB 已知如图,AE=AC,AB=AD,∠EAB=∠CAD,试说明:∠B=∠D图: 已知:AE=AC,AB=AD,∠EAB=∠CAD.试说明∠B=∠D.(SAS) 如图,已知AB=AC,AE=AD,∠EAB=∠DAC,那么BE与CD相等吗?为什么? 如图,已知AB=AC,AE=AD,∠EAB=∠DAC,那么BE与CD相等吗,为什么 AD是三角形ABC的外接圆的切线,过B引AD的平行线交AC的延长线于E.求证:AB的平方等于AC乘以AE∵AD//BE∴∠DAC = ∠E∵DA是圆O的切线∴∠DAC = ∠ABC∴∠ABC = ∠E∵∠BAC = ∠EAB∴△ABC∽△AEB∴AC:AB = AB 如图,AB⊥AC,AD⊥AE,AB=AC,AD=AE,求证:(1)△DAC≌△EAB;(2)BE⊥CD. ,の 如图,AB⊥AC,AD⊥AE,AB=AC,AD=AE,已知△DAC≌△EAB.求证BE⊥CD 已知:如图,AB⊥AC,AD⊥AE,AB=AC,AD=AE.求证:△DAC≌△EAB.可能不太好看, DA⊥AB EA ⊥AC AB=AD AC=AE 求证 DC=BE 如图,在△ABC中,AB=AC,AD⊥BD,AE⊥CE,且AD=AE,BD和CE交于点O.说明∠EAB=∠DAC 如图,在△ABC中,AB=AC,AD⊥BD,AE⊥CE,且AD=AE,BD和CE交于点O.说明∠EAB=∠DAC的理由 如图,在△ABC中,AB=AC,AD⊥BD,AE⊥CE,且AD=AE,BD和CE相交于O,请说明∠EAB=∠DAC的理由. 已知:如图,AB=AC,AD=AE,角EAB=角DAC.求证:角D=角E. 已知:如图,AB=AC,AD=AE,角EAB=角DAC.角D=角E.