Question

in the adjacent figure the bisector of angle A and Angle B meet at point P if angle C is equal to 100 and angle d is equal to 60 find the measure of angle APB​

Answer 1

Answer:

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Answer 2

Answer:

60∘+100∘+∠A+∠B=360∘

⇒∠A+∠B=200∘

⇒2∠A+∠B=100∘

⇒∠BAP+∠ABP=100∘

But  ∠BAP+∠ABP+∠APB=180∘

⇒∠APB=80∘