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Geometry problems involving finding unknown angles in triangles using angle sum properties.

Six diagrams of triangles with labeled angles and variables x, showing exterior angles and interior angles for solving geometry problems.

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Show Answer Key & Explanations Step-by-step solution for: Find the value of the unknown exterior angle x in the following ...

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- (i) x = 120°
- (ii) x = 110°
- (iii) x = 70°
- (iv) x = 120°
- (v) x = 100°
- (vi) x = 90°

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