CBSE  /  Class 9  /  Maths  /  Lines and Angles
  • 1. 
    An exterior angle of a triangle is 105° and its two interior opposite angles are equal. Each of these equal angles is

  • 37 \(\frac{1°}{2}\)
  • 52 \(\frac{1°}{2}\)
  • 72 \(\frac{1°}{2}\)
  • 75°
  • 2. 
    In Figure measure of ∠ABC is
    MCQ Questions for Class 9 Maths Chapter 6 Lines and Angles with Answers 6

  • 60°
  • 70°
  • 80°
  • 50°
  • 3. 
    In Figure AB || CD, the value of x is
    MCQ Questions for Class 9 Maths Chapter 6 Lines and Angles with Answers 7

  • 35°
  • 40°
  • 60°
  • 75°
  • 4. 
    In the figure, PS ⊥ l, RQ ⊥ l, the degree measure of y is
    MCQ Questions for Class 9 Maths Chapter 6 Lines and Angles with Answers 8

  • 55°
  • 90°
  • 80°
  • 135°
  • 5. 
    Each angle of an equilateral triangle is

  • 50°
  • 90°
  • 54°
  • 60°
  • 6. 
    Given lines l1 || l2 and l2 || l3 in figure. The value of x is
    MCQ Questions for Class 9 Maths Chapter 6 Lines and Angles with Answers 9

  • 40°
  • 140°
  • 50°
  • 80°
  • 7. 
    In figure, find the value of y.
    MCQ Questions for Class 9 Maths Chapter 6 Lines and Angles with Answers 10

  • 28°
  • 40°
  • 140°
  • 56°
  • 8. 
    In the given figure, if AOB is a straight line, then ∠BOC is
    MCQ Questions for Class 9 Maths Chapter 6 Lines and Angles with Answers 11

  • 80°
  • 70°
  • 60°
  • 20°
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