如图,AB⊥AC,AD⊥AE,AB=AC,AD=AE.求证BE⊥CD
如图,AB⊥AC,AD⊥AE,AB=AC,AD=AE.求证BE⊥CD
ab⊥ac.ad⊥ae .ab=ac .ad=ae .说明 be⊥cd
如图,已知AE⊥AD,AF⊥AB,AB//CD,AE=CD,AE=AD,AF=CD,求证AC=EF
如图,AD⊥AE,AB垂直AC,AD=AE,AB=AC,AD⊥AE ,AB=AC,求证:三角形ABD≌三角形ACE
已知如图,AB=AC,∠1=∠2,AD⊥CD,AE⊥BE,求证:AD=AE
如图AB=AC AD=AE,BE与CD相交于点o,求证AO⊥BC
如图,已知AE⊥AD,AF⊥AB,AB∥CD,AF=CD,AE=AD,求证:AC垂直EF.
如图,已知AB垂直AC,AD垂直AE,AB=AC,AD=AE,求证BE=CD且BE垂直CD.图在后面.
已知:如图,AB=AC,BE⊥AC ,CD⊥AB,垂足分别为E,D.求证:AD=AE
如图所示,已知AB⊥AC,AD⊥AE,AB=AC,AD=AE,求证:BE=DC
如图,已知AD//BC,AD=BC,AE⊥AD,AF⊥AB,AE=AD,AB=AF.求证:AC=EF.
如图,AD∥BC,AD=BC,AE⊥AD,AF⊥AB,且AE=AD,AF=AB,求证:AC=EF.