1.

AB and BC are the sides of a regular pentagon. CD and DE are the sides of a regular hexagon. If OB and OD are the angle bisectors of ∠ABC and ∠CDE, and ∠BOD=126∘, then find the measure of ∠BCD.

Answer»

AB and BC are the sides of a regular pentagon. CD and DE are the sides of a regular hexagon. If OB and OD are the angle bisectors of ABC and CDE, and BOD=126, then find the measure of BCD.


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