#### Question

Find the value of the unknowns *x* and *y* in the following diagrams:

#### Solution

*y* = 80° (Vertically opposite angles)

*y* + *x* + 50° = 180° (Angle sum property)

80° + *x* + 50° = 180°

*x* + 130º = 180°

*x* = 180° − 130º = 50°

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Solution Find the Value of the Unknowns X and Y in the Following Diagrams: - 2 Concept: Angle Sum Property of a Triangle.