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Diagrams showing triangles with given interior angles and variables for unknown exterior angles, used to solve for x in each case.

Six diagrams of triangles with given angles and variables representing unknown angles, illustrating the concept of exterior angles and angle sum properties.

Six diagrams of triangles with given angles and variables representing unknown angles, illustrating the concept of exterior angles and angle sum properties.

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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 ...
- (i) x = 120°
- (ii) x = 110°
- (iii) x = 70°
- (iv) x = 120°
- (v) x = 100°
- (vi) x = 90°
Parent Tip: Review the logic above to help your child master the concept of exterior angle of triangle worksheet.
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