Question

Please help me solve this​

Answer 1

Answer:

Hi here's your answer,

Step-by-step explanation:

as AOB is a straight line it's total angle is 180°

∠AOC + ∠COB = ∠AOB

as AOB is 180°

∠AOC + ∠COB = 180°

Substituting the values of the given angles we get,

2x-10° + 3x+20° = 180°

5x+10 = 180°

5x = 170°

x = 170/5

x= 34°

lets substitute the value of x in ∠AOB and ∠BOC

therefore ∠AOC=2(34)-10

∠AOC=68-10°

∠AOC=58°

Now ∠BOC,

∠BOC = 3(34) + 20°

∠BOC = 102°

Mark as brainiest if you are satisfied with my answer