Job Recruitment Website - Recruitment portal - If OC is ∠AOD, OE is ∠BOD, if ∠ AOB = 90, ∠ COE =; if∠AOB = 66∠COE =； If < AOB = n (0 < n
If OC is ∠AOD, OE is ∠BOD, if ∠ AOB = 90, ∠ COE =; if∠AOB = 66∠COE =； If < AOB = n (0 < n
∫OC bisector ∝∠AOD, OE is the bisector of ∝∠BOD.
∴∠AOD=2∠COD,∠BOD=2∠DOE.
∴∠AOB=∠AOD+∠BOD=2∠COE=90
∠COE=45
If < AOB = 66 < COE = 33;
If ∠ AOB = n (0 < n < 180), ∠COE=n/2.
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