Question
Consider the figure:
If ∠A = 70∘​, ∠ACD = 120∘​, then the value of ∠B (in degrees) is
___
If ∠A = 70∘​, ∠ACD = 120∘​, then the value of ∠B (in degrees) is___
Answer:
:
By Exterior Angle Property,
∠ACD = ∠A​ +∠B
∠B = ∠ACD - ∠A​
= 120∘​-70∘
∠B = 50∘​
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:
By Exterior Angle Property,
∠ACD = ∠A​ +∠B
∠B = ∠ACD - ∠A​
= 120∘​-70∘
∠B = 50∘​
Was this answer helpful ?
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