AOB = 180°
ZOB = c = 39°
XOY = b = 20°
AOY = a + b = 61 + 20 = 81°
YOZ = 180 - a - b - c = 180 - 61 - 20 - 39 = 60°
Step-by-step explanation:
quit
step-by-step explanation:
i cant answer this, theres no table. sorry man