CBSE  /  Class 7  /  Maths  /  The Triangles and its Properties

  • 1. 
    How many elements are there in a triangle?

  • 3
  • 6
  • 4
  • None of these.

  • 2. 
    How many vertices does a triangle have?

  • 1
  • 2
  • 3
  • 4

  • 3. 
    How many sides are there in a triangle?

  • 1
  • 2
  • 3
  • 4

  • 4. 
    How many angles are there in a triangle?

  • 1
  • 2
  • 3
  • 4

  • 5. 
    If two sides of a triangle are not equal, the triangle is called

  • scalene
  • isosceles
  • equilateral
  • right-angled

  • 6. 
    If two sides of a triangle are equal, the triangle is called

  • isosceles
  • equilateral
  • scalene
  • right-angled

  • 7. 
    If all the three sides of a triangle are equal, the triangle is called

  • equilateral
  • right-angled
  • isosceles
  • scalene

  • 8. 
    If all the angles of a triangle are acute, the triangle is called

  • obtuse-angled
  • acute-angled
  • right-angled
  • none of these

  • 9. 
    If one angle of a triangle measures 90°, the triangle is called

  • acute-angled
  • obtuse-angled
  • right-angled
  • none of these

  • 10. 
    If one angle of a triangle is obtuse, the triangle is called

  • acute-angled
  • obtuse-angled
  • right-angled
  • none of these
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