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
The lengths of two sides of a triangle are 6 cm and 8 cm. Between which two numbers can length of the third side fall?
  • A
    greater than 5 and less than 14 cm
  • B
    greater than 2 and less than 14 cm
    Correct
  • C
    greater than 2 and less than 12 cm
  • D
    None of these
2
Write the vertex opposite to the side RT of \(\triangle \)RST.
  • A
    S
    Correct
  • B
    R
  • C
    T
  • D
    None of these
3
Write the vertex opposite to the side PR of \(\triangle \)PQR.
  • A
    R
  • B
    P
  • C
    None of these
  • D
    Q
    Correct
4
An _______ of a triangle is equal to the sum of its interior opposite angles.
  • A
    interior angle
  • B
    None of these
  • C
    exterior angle
    Correct
  • D
    angle
5
The sum of the measures of the three angles of a triangle is ______.
  • A
    None of these
  • B
    120\(^\circ \)
  • C
    140\(^\circ \)
  • D
    180\(^\circ \)
    Correct
6
In an equilateral triangle each angle has measure ______.
  • A
    60\(^\circ \)
    Correct
  • B
    100\(^\circ \)
  • C
    140\(^\circ \)
  • D
    120\(^\circ \)
7
A triangle in which two sides are of equal lengths is called an _________.
  • A
    None of these
  • B
    isosceles
    Correct
  • C
    equilateral
  • D
    scalene
8
Two angles of a triangle are 30º and 80º. Find the third angle.
  • A
    None of these
  • B
    70\(^\circ \)
    Correct
  • C
    60\(^\circ \)
  • D
    50\(^\circ \)
9
How many medians can a triangle have?
  • A
    2
  • B
    3
    Correct
  • C
    0
  • D
    1
10
If the Pythagoras property holds for some triangle, will the triangle be
  • A
    obtuse-angled
  • B
    right-angled
    Correct
  • C
    None of these
  • D
    acute-angled
11
A _________ connects a vertex of a triangle to the mid-point of the opposite side.
  • A
    altitude
  • B
    None of these
  • C
    median
    Correct
  • D
    vertex
12
Exterior angles can be formed for a triangle in ________ ways.
  • A
    None of these
  • B
    2
  • C
    many
    Correct
  • D
    3
13
In an isosceles triangle ________ sides have same length.
  • A
    4
  • B
    None of these
  • C
    2
    Correct
  • D
    3
14
The sum of the lengths of any two sides of a triangle is greater than the _________.
  • A
    first side
  • B
    third side
    Correct
  • C
    second side
  • D
    None of these
15
One of the angles of a triangle is 80º and the other two angles are equal. Find the measure of each of the equal angles.
  • A
    50\(^\circ \)
    Correct
  • B
    70\(^\circ \)
  • C
    60\(^\circ \)
  • D
    80\(^\circ \)