CBSE  /  Class 8  /  Maths  /  Understanding Quadrilaterals

  • 1. 
    How many sides does a-regular polygon have if each of its interior angles is 165°?

  • 12
  • 24
  • 9
  • 6

  • 2. 
    The four angles of a pentagon are 40°, 75°, 125° and 135°. The measure of the fifth angle is

  • 165°
  • 170°
  • 160°
  • 175°

  • 3. 
    The sum of the internal angles of a polygon is 10 right angles. Then the number of sides is

  • 5
  • 6
  • 7
  • 8

  • 4. 
    If one angle of a parallelogram is of 65°, then the measure of the adjacent angle is

  • 65°
  • 115°
  • 25°
  • 90°

  • 5. 
    If the length of a side of a rhombus is 6 cm, then the perimeter of the rhombus is

  • 6 cm
  • 12 cm
  • 24 cm
  • 3 cm

  • 6. 
    ABCD is a rectangle. Its diagonals meet at O.
    MCQ Questions for Class 8 Maths Chapter 3 Understanding Quadrilaterals
    OA = 2x - 1, OD = 3x - 2. Find x

  • 1
  • 2
  • 3
  • -1

  • 7. 
    Find the perimeter of the rectangle ABCD.
    MCQ Questions for Class 8 Maths Chapter 3 Understanding Quadrilaterals

  • 6 cm
  • 12 cm
  • 3 cm
  • 24 cm

  • 8. 
    The four angles of a quadrilateral are in the ratio 1 : 2 : 3 : 4. The measure of its smallest angle is

  • 120°
  • 36°
  • 18°
  • 10°

  • 9. 
    In a parallelogram ∠A : ∠B = 1 : 2. Then, ∠A =

  • 30°
  • 60°
  • 45°
  • 90°

  • 10. 
    ABCD is a parallelogram as shown. Find x and y.
    MCQ Questions for Class 8 Maths Chapter 3 Understanding Quadrilaterals

  • 1, 7
  • 2, 6
  • 3, 5
  • 4, 4
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