Given that A, O & B lie on a straight line segment, evaluate acute ∠COD.
The diagram is not drawn to scale.

COA 121 COD 47 DOB 12
Step-by-step explanation:
3x+ 88+x+36+2x-10 = to 180 degrees which is the total value of angles on a straight line, thus becoming 6x+114=180 when you put the light terms together it becomes 6x=66 which makes x=11 hence putting x to required places resulting to the answer above