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Answer :

(i) \(\angle \)x = 50° + 70° = 120° (Exterior angle is equal to sum of its interior opposite angles)

(ii) \(\angle \)x = 65°+ 45° = 110° (Exterior angle is equal to sum of its interior opposite angles)

(iii) \(\angle \)x = 30° + 40° = 70° (Exterior angle is equal to sum of its interior opposite angles)

(iv) \(\angle \)x = 60° + 60° = 120° (Exterior angle is equal to sum of its interior opposite angles)

(v) \(\angle \)x = 50° + 50° =100° (Exterior angle is equal to sum of its interior opposite angles)

(vi) \(\angle \)x = 30° + 60° = 90° (Exterior angle is equal to sum of its interior opposite angle)

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