CBSE  /  Class 8  /  Maths  /  Understanding Quadrilaterals

  • 1. 
    What is the name of a regular polygon of 3 sides?

  • Equilateral triangle
  • Square
  • Regular hexagon
  • Regular octagon.

  • 2. 
    What is the name of a regular polygon of 6 sides?

  • Square
  • Equilateral triangle
  • Regular hexagon
  • Regular octagon.

  • 3. 
    What is the name of a regular polygon of 4 sides?

  • Regular hexagon
  • Regular octagon
  • Square
  • Equilateral triangle.

  • 4. 
    The sum of the measures of the exterior angles of any polygon is

  • 90°
  • 180°
  • 360°
  • 720°

  • 5. 
    Out of the three equal angles of a quadrilateral, each measures 70°. The measure of the fourth angle is

  • 90°
  • 140°
  • 150°
  • 70°

  • 6. 
    Two adjacent angles of a quadrilateral measure 130° and 40°. The sum of the remaining two angles is

  • 190°
  • 180°
  • 360°
  • 90°

  • 7. 
    The number of sides of a regular polygon, whose each exterior angle has a measure of 45°, is

  • 4
  • 6
  • 8
  • 10

  • 8. 
    The measure of each exterior angle of a regular polygon of 9 sides is

  • 30°
  • 40°
  • 60°
  • 45°

  • 9. 
    The measure of each exterior angle of a regular polygon of 15 sides is

  • 30°
  • 45°
  • 60°
  • 24°

  • 10. 
    How many sides does a regular polygon have if the measure of an exterior angle is 24° ?

  • 6
  • 9
  • 15
  • 12
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