Respuesta :

reinhard10158

Step-by-step explanation:

the graphic tells us that AOB = COD.

that means

4x - 2 = 2x + 12

2x = 14

x = 7

so,

AOB = 4x - 2 = 4×7 - 2 = 28 - 2 = 26°

BOC = 5x + 15 = 5×7 + 15 = 35 + 15 = 50°

COD = 2x + 12 = 2×7 + 12 = 14 + 12 = 26° (as expected)