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Question
Find the value of the unknown x and y in the following diagram:
Solution
y = x (Vertically opposite angles)
a = x (Vertically opposite angles)
b = x (Vertically opposite angles)
a + b + y = 180° (Angle sum property)
x + x + x = 180°
3x = 180°
x =
x = 60°
y = x = 60°
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