Question

b.
In the adjoining figure, it is being given that AO || CD and OB || CE and ZAOB = 50°.
Find the measure of angle ECD.

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Answer 1

Answer:

130 Degrees

Step-by-step explanation:

In The Attachment Below

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Answer 2

no digram but, fine

Given: AO∥ CD  OB ∥CE   ∠AOB = 50°∠AOD = ∠CDB = 50°(when  AO∥ CD and OB is the transversal)

∠ECD +∠CDB = 180°            

(consecutive interior angles are supplementary, DB ∥CE and CD is the transversal)

∠ECD = 180°−50° = 130°