没有图,但可以解如下(应该是求∠BOC和∠AOE吧)
因为A,O,B在同一条直线上,所以 ∠AOC + ∠BOC = ∠AOB =180°
即 ∠AOC =180° - ∠BOC
由 ∠AOC=1/2∠BOC+30°,可得
180° - ∠BOC = 1/2∠BOC + 30°
所以,∠BOC = 100°
OE平分∠BOC
所以,∠BOE = 1/2∠BOC = 50°
∠AOE = 180° -∠BOE =130°
没有图,但可以解如下(应该是求∠BOC和∠AOE吧)
因为A,O,B在同一条直线上,所以 ∠AOC + ∠BOC = ∠AOB =180°
即 ∠AOC =180° - ∠BOC
由 ∠AOC=1/2∠BOC+30°,可得
180° - ∠BOC = 1/2∠BOC + 30°
所以,∠BOC = 100°
OE平分∠BOC
所以,∠BOE = 1/2∠BOC = 50°
∠AOE = 180° -∠BOE =130°