题目内容
如图所示,BE⊥AC于点D,且AD=CD,BD=ED,若∠ABC=54°,则∠E=( )
A.25° B.27° C.30° D.45°
B
如图所示,BE⊥AC于E,CF⊥AB于F,BE,CF相交于点D,BD=CD,求证:AD平分∠BAC.