7. In the adjoning figure, it is being oven that AO || CD, OB || CE and AOB=50°
Find the measure of ECD.
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Answer:
50° is the answer
Step-by-step explanation:
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3
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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