Question

In the figure given alongside, find the measure of angle of ACD. ​

Answer 1

Answer:

∠ACD = 120°

Step-by-step explanation:

We know sum of angles of a triangle is 180°

∠ABC + ∠ACB + ∠BAC = 180°

∠ACB = 180 - 75 - 45

∠ACB = 60°

Now, ∠ACB and ∠ACD are supplementary

So, ∠ACB + ∠ACD = 180°

60 + ∠ACD = 180°

∠ACD = 120°