Question

Given triangle ABC; C > B. Bisector, ADC = 70; 2B + C = 160. Calculate triangle ABC
Only answer

Answer 1

Answer:

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Step-by-step explanation:

We know that if a line through one of the vertex of a triangle divides the opposite side in the ratio of the other two sides, the line bisects the angle at the vertex.

So in the given equation,

ACAB=CDBD

⇒AD bisects ∠A.

∠A=180∘−(70∘+50∘)   (Sum of angles of a

triangle =180∘)

∴∠BAD=2∠A=260∘=30∘