Question

a, o and b lie on a straight line segment where a = 19°, b = 65° and c = 63° State the value of the angles: i) AOB ii) ZOB iii) XOY iv) AOY v) YOZ The diagram is not drawn to scale.

Answer 1

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AOB = 180°

ZOB = c = 39°

XOY = b = 20°

AOY = a + b = 61 + 20 = 81°

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

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