#### Question

Find the value of the angles *x*, *y*, and *z* in the following:

#### Solution

∠*z* = 40° (Vertically opposite angles)

∠*y* + ∠*z* = 180° (Linear pair)

∠*y* = 180° − 40° = 140°

40° + ∠*x *+ 25° = 180° (Angles on a straight line)

65° + ∠*x *= 180°

∠*x* = 180° − 65° = 115°

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Solution Find the Value of the Angles X, Y, And Z In the Following:2 Concept: Concept of Vertically Opposite Angles.