Class 7 Congruence Of Triangles CBSE Questions & Answers

Class 7 · Congruence Of Triangles

This is Mathematics Class 7 Congruence of Triangles 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 12 cm and 15 cm. Between what two measures should the length of the third side fall?
  • A
    greater than 2 and less than 30 cm
  • B
    None of these
  • C
    greater than 9 and less than 27 cm
  • D
    greater than 2 and less than 27 cm
    Correct
2
An _______ is formed when lines or line segments meet.
  • A
    line segment
  • B
    angle
    Correct
  • C
    line
  • D
    ray
3
Determine whether the triangle whose lengths of sides are 3 cm, 4 cm, 5 cm is a ______________.
  • A
    right-angled
    Correct
  • B
    acute-angled
  • C
    None of these
  • D
    obtuse-angled
4
A median wholly lie in the __________ of the triangle.
  • A
    None of these
  • B
    interior
    Correct
  • C
    on
  • D
    exterior
5
The sum of an exterior angle of a triangle and its adjacent interior angle is ________.
  • A
    140\(^\circ \)
  • B
    180\(^\circ \)
    Correct
  • C
    100\(^\circ \)
  • D
    120\(^\circ \)
6
In an isosceles triangle base angles opposite to the equal sides are __________.
  • A
    not equal
  • B
    similar
  • C
    equal
    Correct
  • D
    None of these
7
The side opposite to the right angle is called the _________ of the right-angled triangle.
  • A
    hypotenuse
    Correct
  • B
    perpendicular
  • C
    base
  • D
    None of these
8
Which congruence criterion do you use in the following? Given: ZX = RP, RQ = ZY, ∠PRQ = ∠XZY. So, \(\triangle \)PQR \( \cong \) \(\triangle \)XYZ
  • A
    SSS
  • B
    None of these
  • C
    ASA
  • D
    SAS
    Correct
9
If two line segments are ___________, they have the same length.
  • A
    not congruent
  • B
    similar
  • C
    None of these
  • D
    congruent
    Correct
10
The three angles of a triangle are in the ratio 4:5:1. Find all the angles of the triangle.
  • A
    None of these
  • B
    62 \(^\circ \), 90 \(^\circ \), 28 \(^\circ \)
  • C
    72 \(^\circ \), 90 \(^\circ \), 18 \(^\circ \)
    Correct
  • D
    50 \(^\circ \), 90 \(^\circ \), 40 \(^\circ \)
11
By which congruence rule following triangles are congruent?
Question 11 figure 1
  • A
    SAS
  • B
    SSS
  • C
    RHS
    Correct
  • D
    ASA
12
In the below figure, by which congruence rule the following triangles are congruent?
Question 12 figure 1
  • A
    ASA
  • B
    SSS
  • C
    RHS
    Correct
  • D
    SAS
13
In the below figure, BD and CE are altitudes of \(\triangle \)ABC such that BD = CE then by which congruence rule \(\triangle \)CBD \( \cong \) \(\triangle \)BCE?
Question 13 figure 1
  • A
    SSS
  • B
    SAS
  • C
    ASA
  • D
    RHS
    Correct
14
It is to be established by RHS congruence rule that \(\triangle \)ABC \( \cong \) \(\triangle \)RPQ. What additional information is needed, if it is given that \(\angle \)B = \(\angle \)P = 90 \(^\circ \) and AB = RP?
  • A
    None of these
  • B
    \(\angle \)A = \(\angle \)P
  • C
    AC = RQ
    Correct
  • D
    BC = QR
15
If ABC and DEF are congruent triangles such that \(\angle \)A = 47\(^\circ \) and \(\angle \)E = 83\(^\circ \), then \(\angle \)C =
  • A
    90\(^\circ \)
  • B
    None of these
  • C
    50\(^\circ \)
    Correct
  • D
    100\(^\circ \)