Question

Equation practice ........​

Answer 1

it looks hard

Explanation:

Answer 2

Explanation:

OA ⊥ OC

Therefore, m∠AOC = 90°

m∠AOC = m∠AOB + m∠BOC

m∠AOB + m∠BOC = 90

5x+8 + 6x - 6 = 90

11x + 2 = 90

11x = 90-2

11x = 88

x = 88/11

x = 8

m∠BOC = 6x - 6 = 6*8 - 6 = 48 - 6 = 42°