Question

7. In the adjoning figure, it is being oven that AO || CD, OB || CE and AOB=50°

Find the measure of ECD.​

Answer 1

Answer:

50° is the answer

Step-by-step explanation:

hope it helps you

Answer 2

Answer:

angle ECD= 130°

Step-by-step explanation:

AO ll CD

thus angle AOB = angle CDB = 50°..... (corresponding angles are equal)

OB II CE

Therefore DB II CE

angle ECD + angle CDB = 180° ...( Angles at one side are supplementry)

therefore angle ECD= 180-50 =130°

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