Answer:
m∠O = 80°
Step-by-step explanation:
m∠O = 4x - 20
m∠Q = 3x + 5
m∠O and m∠Q are congruent
4x - 20 = 3x + 5
Solve for x = 25
Plug back in
m∠O = 4(25) - 20
m∠O = 100 - 20
