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प्रश्न
Find the value of the unknown x and y in the following diagram:
उत्तर
y = 80° (Vertically opposite angles)
y + x + 50° = 180° (Angle sum property)
80° + x + 50° = 180°
x + 130° = 180°
x = 180° − 130°
x = 50°
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