Question

In triangle abc it is given that ab by ac is equal to bd by dc if angle b is equal to 70 degree and angle c is equal to 50 degree then find angle b a d

Answer 1

In triangle abc it is given that ab by ac is equal to bd by dc if angle b is equal to 70 degree and angle c is equal to 50 degree then find angle b a d

Step-by-step explanation:

AB/AC=BD/DC

∴ ∠BAD = half of angle A

A+B+C=180°

A=180-70-50=60°

∠ BAD= 30°

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