Class 7 The Triangle And Its Properties CBSE Questions & Answers

Class 7 · The Triangle And Its Properties

This is Mathematics Class 7 The Triangle and its Properties CBSE Questions & Answers. There are 15 questions in this test with each question having around four answer choices.

Questions & Answers

1
How many altitudes can a triangle have?
  • A
    2
  • B
    1
  • C
    3
    Correct
  • D
    None of these
2
Write the side opposite to the vertex B of \(\triangle \)ABC.
  • A
    AC
    Correct
  • B
    AB
  • C
    None of these
  • D
    BC
3
A triangle in which two altitudes of the triangle are two of its sides is _________.
  • A
    obtuse-angled triangle
  • B
    None of these
  • C
    right-angled triangle
    Correct
  • D
    acute-angled triangle
4
A _________ is a simple closed curve made of three line segments.
  • A
    angle
  • B
    None of these
  • C
    triangle
    Correct
  • D
    quadrilateral
5
An _________ has one end point at a vertex of the triangle and the other on the line containing the opposite side.
  • A
    vertex
  • B
    median
  • C
    altitude
    Correct
  • D
    side
6
The sum of interior opposite angles is _______, when the exterior angle is right angle.
  • A
    30\(^\circ \)
  • B
    None of these
  • C
    60\(^\circ \)
  • D
    90\(^\circ \)
    Correct
7
The sum of the lengths of any two sides of a triangle is _________ the third side.
  • A
    greater than
    Correct
  • B
    None of these
  • C
    less than
  • D
    equal
8
An exterior angle of a triangle is of measure 70\(^\circ \) and one of its interior opposite angles is of measure 25\(^\circ \). Find the measure of the other interior opposite angle.
  • A
    55\(^\circ \), 100\(^\circ \)
  • B
    45\(^\circ \), 110\(^\circ \)
    Correct
  • C
    None of these
  • D
    35\(^\circ \), 120\(^\circ \)
9
Write the angle opposite to the side LM of \(\triangle \)LMN.
  • A
    \(\angle \)M
  • B
    \(\angle \)N
    Correct
  • C
    \(\angle \)L
  • D
    None of these
10
According to Pythagoras property, in a right-angled triangle, the square on the ______ = sum of the squares on the legs.
  • A
    None of these
  • B
    hypotenuse
    Correct
  • C
    altitude
  • D
    base
11
A triangle has _________ vertices, three sides and three angles.
  • A
    None of these
  • B
    1
  • C
    2
  • D
    3
    Correct
12
Through each vertex, an _________ can be drawn.
  • A
    median
  • B
    altitude
    Correct
  • C
    side
  • D
    None of these
13
A triangle in which all the three sides are of equal lengths is called an _______.
  • A
    None of these
  • B
    equilateral
    Correct
  • C
    scalene
  • D
    isosceles
14
In an equilateral triangle all sides have _______ length.
  • A
    different
  • B
    equal
    Correct
  • C
    similar
  • D
    None of these
15
The two interior opposite angles of an exterior angle of a triangle are 60\(^\circ \)and 80\(^\circ \). Find the measure of the exterior angle.
  • A
    140\(^\circ \)
    Correct
  • B
    80\(^\circ \)
  • C
    100\(^\circ \)
  • D
    120\(^\circ \)