如图,已知AE平分∠BAC,BE⊥AE,垂足为E,ED∥AC,∠BAE=36°,那么∠BED=_度.

问题描述:

如图,已知AE平分∠BAC,BE⊥AE,垂足为E,ED∥AC,∠BAE=36°,那么∠BED=______度.

∵AE平分∠BAC
∴∠BAE=∠CAE=36°
∵ED∥AC
∴∠CAE+∠DEA=180°
∴∠DEA=180°-36°=144°
∵∠AED+∠AEB+∠BED=360°
∴∠BED=360°-144°-90°=126°.
故答案为126°.