9) In the figure MNP is an equilateral triangle find the measure of (x+y)
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Answer:
240°
Step-by-step explanation:
angle MNP = 60° and angle MPY = 120° [linear pair]
angle MPN = 60° and angle MNX = 120° (linear pair)
therefore, MPY + MNX = 120 + 120 = 240°
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