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Question
Find the value of x° in the following figure:
Sum
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Solution
Reflex ∠YOZ = 2∠YXZ
= 2(120°)
= 240°
∠YOZ = 360° – reflex ∠YOZ
= 360° – 240°
= 120°
∴ x = 120°
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Chapter 4: Geometry - Exercise 4.3 [Page 170]
