Question

OC⊥AB,OD⊥OE,垂足均为O。图中互余的角有几对？互补的呢？请把它们写出来。

Answer 1

互余有4对：∠AOD与∠DOC、∠AOD与∠EOB、
∠DOC与∠COE、
∠COE与∠EOB
互补有6对：∠AOD与∠BOD、∠AOD与∠AOE、
∠AOC与∠COB, ∠AOC与∠DOE
∠AOE与∠BOE、∠AOE与∠DOC

Answer 2

互余的：∠AOD和∠COD，∠COD和∠COE，∠COE和∠BOE,∠AOD和∠BOE
互补的：∠AOD和∠DOB，∠AOC和∠COB，∠AOE和∠EOB，∠AOC和∠DOE，∠COB和和∠DOE
∠AOE和∠COD

Answer 3

互余有4对：AOD和AOC,DOE和COE,COE和EOB,AOD和BOE.
互补有6对：AOD和BOD,AOC和COB,AOE和BOE,AOC和DOE,DOE和BOC,AOE和DOC