Question

A, O and B lie on a straight line segment where a
= 19°, b
= 65° and c
= 63°.

Answer 1

Answer:

AOB = 180°

ZOB = c = 39°

XOY = b = 20°

AOY = a + b = 61 + 20 = 81°

YOZ = 180 - a - b - c = 180 - 61 - 20 - 39 = 60°