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)

- NCERT solutions for class 7 maths chapter 1 Integers
- NCERT solutions for class 7 maths chapter 2 Fractions and Decimals
- NCERT solutions for class 7 maths chapter 3 Data Handling
- NCERT solutions for class 7 maths chapter 4 Simple Equations
- NCERT solutions for class 7 maths chapter 5 Lines and Angles
- NCERT solutions for class 7 maths chapter 6 The Triangle and its Properties
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- NCERT solutions for class 7 maths chapter 9 Rational Numbers
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- NCERT solutions for class 7 maths chapter 14 Symmetry
- NCERT solutions for class 7 maths chapter 15 Visualising Solid Shapes

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- NCERT solutions for class 7 science chapter 3 Fibre to Fabric
- NCERT solutions for class 7 science chapter 4 Heat
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