Math, asked by zhengji2008, 4 months ago

Help me solve a) only

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Answered by kaurnav780

0

Step-by-step explanation:

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Answered by aryan36556

0

Answer:

ang ABD+ ang CBD =ang ABC= 50°+50° = 100°

ang BCD = 80°

Therefore and ABC and ang BCD are interior angles.

Therefore, by Interior Angles Test,

AB Is parallel to DC.

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