CBSE  /  Class 7  /  Maths  /  Practical Geometry

  • 1. 
    Identify the criterion of construction of the equilateral triangle LMN given LM = 6 cm.

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

  • 2. 
    The idea of equal alternate angles is used to construct which of the following?

  • A line parallel to a given line
  • A triangle
  • A square
  • Two triangles

  • 3. 
    A Given AB = 3 cm, AC = 5 cm,and ∠B = 30°, ΔABC cannot be uniquely constructed, with AC as base, why?

  • Two sides and included angle are given.
  • The other two angles are not given.
  • The vertex B cannot be uniquely located.
  • The vertex A coincides with the vertex C.

  • 4. 
    A line panda point X not on it are given. Which of the following is used to draw a line parallel to p through X?

  • Equal corresponding angles.
  • Congruent triangles.
  • Angle sum property of triangles.
  • Pythagoras' theorem.

  • 5. 
    Δ PQR is such that ∠P = ∠Q = ∠R = 60° which of the following is true?

  • Δ PQR is equilateral.
  • Δ PQR is acute angled.
  • Both [a] and [b]
  • Neither [a] nor [b]

  • 6. 
    Which vertex of ΔABC is right angled if \(\overline { AB }\) = 8 cm, \(\overline { AC }\) = 6 cm,and \(\overline { BC }\) = 10 cm,?

  • ∠C
  • ∠A
  • ∠B
  • A or C

  • 7. 
    ΔPQR is constructed with all its angles measuring 60° each. Which of the following is correct?

  • ΔPQR is an equilateral triangle.
  • ΔPQR is isosceles triangle.
  • ΔPQR is a scalene triangle.
  • ΔPQR is a right angled triangle.

  • 8. 
    Identify the false statement.

  • A triangle with three equal sides is called an equilateral triangle.
  • A triangle with a right angle is called a right angled triangle.
  • A triangle with two equal sides is called a scalene triangle.
  • A right angled triangle has two acute angles and a right angle.

  • 9. 
    ΔPQR is constructed such that PQ = 5 cm, PR = 5 cm and ∠RPQ = 50° Identify the type of triangle constructed.

  • An isosceles triangle
  • An acute angled triangle
  • An obtuse angled triangle
  • Both [a] and [b]

  • 10. 
    Which of the following is NOT constructed using a ruler and a set square?

  • A perpendicular to a line from a point not on it.
  • A perpendicular bisector of a line segment.
  • A perpendicular to a line at a point on the line.
  • A line parallel to a given line through a given point.
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