Question

AB is a straight line. find angle AOC with method pls​

Answer 1

Answer is given in the pic.

Answer 2

Answer:

∠AOC = 90°

Step-by-step explanation:

Given that AB is a straight line then ∠AOB is 180°

∠AOB = ∠AOD + ∠DOC + ∠COB

180° = 2x + 3x + 5x

180° = 10x

x = 18°

Now ∠AOC = 2x + 3x

2(18) + 3(18) = 36 + 54 = 90°