如图,AB=AC,AD=AE,M为BE中点,角BAC=角DAE=90°.求证:AM垂直DC.
如图,AB=AC,AD=AE,M为BE中点,角BAC=角DAE=90°.求证:AM垂直DC.
如图,AB=AC,AD=AE,M为BE中点,角BAC=角DAE=90度,求证;AM垂直DC,
3 如图,AB=AC,AD=AE,M为BE中点,∠BAC=∠DAE=90°.求证:AM⊥DC.
已知,如图AB=AC,AD=AE,∠ BAC=∠ DAE=90° ,M是BE中点,求证:AM⊥DC
如图,AB=AC,AD=AE,M为BE中点,∠BAC=∠ADE=90°.求证:AM垂直DC
如图所示,∠BAC=∠DAE=90°,M是BE中点,AB=AC,AD=AE,求证AM垂直于CD
如图,在直角三角形ABC中,角BAC=90度,AB=AC,AD=DC,AE垂直BD于M,求证:角ADB=角CDE
如图,AB=AC,AD=AE,BD=CE,求证角BAC=角DAE
如图,AB=AC,AD=AE,BD=CE.求证角bac=角dae
如图,在三角形ABC与三角形ADE中,AB=AD,AC=AE,角BAC与角DAE互补,M是DE中点,判断线段BC与AM间
如图,AB=AC,AD=AE,∠BAC=∠DAE=90°
角ACB为90度,AC=BC,AC平分角BAC,BE垂直AE.求证AD=2BE