Question

Find ∠ BAC and ∠ ACB in the following diagram B C D

if ∠ ABC = 600
and ∠ ACD = 1100​

Answer 1

Answer:

An exterior angle of a triangle is equal to the sum of the opposite interior angles.

Hence, In this case ∠A and ∠B

So,

∠A+∠B=140∘ as ∠A=∠B or,2∠A=140∘ =∠A=∠B=70∘