CBSE  /  Class 9  /  Maths  /  Quadrilaterals
  • 1. 
    Three angles of a quadrilateral are 75°, 90°and 75°, the fourth angle is

  • 90°
  • 95°
  • 105°
  • 120°
  • 2. 
    A diagonal of a rectangle is inclined to one side of the rectangle at 25°. The acute angle between the diagonals is

  • 55°
  • 50°
  • 40°
  • 25°
  • 3. 
    ABCD is a rhombus such that ∠ACB = 40°, then ∠ADB is

  • 40°
  • 45°
  • 50°
  • 60°
  • 4. 
    If angles A, B, C and D of a quadrilateral ABCD, taken in order, are in the ratio 3 : 7 : 6 : 4, then ABCD is a

  • rhombus
  • parallelogram
  • trapezium
  • kite.
  • 5. 
    The diagonals AC and BD of a || gm ABCD intersect each other at the point O. If ∠DAC = 32° and ∠AOB = 70°, then ∠DBC is equal to

  • 24°
  • 86°
  • 38°
  • 32°
  • 6. 
    ABCD is a rhombus such that ∠ABC = 40°, then ∠ADC is equal to

  • 40°
  • 45°
  • 50°
  • 20°
  • 7. 
    In the following figure, ABCD and AEFG are two parallelograms. If ∠C = 60°, then ∠GFE is
    MCQ Questions for Class 9 Maths Chapter 8 Quadrilaterals with Answers

  • 30°
  • 60°
  • 90°
  • 120°
  • 8. 
    The bisectors of any two adjacent angles of a || gm intersect at

  • 30°
  • 45°
  • 60°
  • 90°
  • 9. 
    If one angle of a parallelogram is 24° less than twice the smallest angle, then the measure of the largest angle of a parallelogram is

  • 176°
  • 68°
  • 112°
  • 102°
  • 10. 
    If the diagonal of a rhombus are 18 cm and 24 cm respectively, then its side is equal to

  • 16 cm
  • 15 cm
  • 20 cm
  • 17 cm
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