CBSE  /  Class 7  /  Maths  /  Practical Geometry

  • 1. 
    In ΔXYZ, x, y and z denote the three sides. Which of the following is incorrect'?

  • x - y > z
  • x + z > y
  • x - y < z
  • x + y > z

  • 2. 
    In which of the following cases can a triangle be constructed?

  • Measures of three sides are given.
  • Measures of two sides and an included angle are given.
  • Measures of two angles and the side between them are given.
  • All the above.

  • 3. 
    Based on the sides of a triangle, which of the following is a classification of triangles?

  • A right angled triangle
  • An acute angled triangle
  • An obtuse angled triangle
  • An isosceles triangle

  • 4. 
    Which of the following is used to draw a line parallel to a given line?

  • A protractor
  • A set square
  • A ruler
  • A ruler and compasses

  • 5. 
    Identify the true statement.

  • A triangle with 3 equal sides is isosceles.
  • A triangle with a 110° angle is right angled.
  • A triangle with 3 acute angles is acute angled.
  • A triangle with 2 equal sides is equilateral.

  • 6. 
    Which of the following statements is incorrect?

  • The sum of angles in a triangle is 2 right angles.
  • The exterior angle of a triangle is equal to the interior angle of the triangle.
  • The hypotenuse is the longest side of a right angled triangle.
  • All the above.

  • 7. 
    A triangular sign board is isosceles. If the unequal side is 7 cm and one of the equal sides is 6 cm, what is the measure of the third side?

  • 5 cm
  • 6 cm
  • 7 cm
  • Either [a] or [c]

  • 8. 
    Which among the following is used to construct a triangle?

  • The lengths of the three sides.
  • The perimeter of the triangle.
  • The measures of three angles.
  • The names of three vertices.

  • 9. 
    criterion can be used indirectly to construct a triangle given the lengths of its three sides.

  • 10. 
    In ΔRST, R = 5 cm, and ∠SRT = 45° and ∠RST = 45°. Which criterion can be used to construct ΔRST?

  • A.S.A. criterion
  • S.A.S. criterion
  • S.S.S. criterion
  • R.H.S. criterion
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