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
You want to establish \(\triangle \)DEF \( \cong \) \(\triangle \)MNP, using the ASA congruence rule. You are given that \(\angle \)D = \(\angle \)M and \(\angle \)F = \(\angle \)P. What information is needed to establish the congruence?
  • A
    DF = MN
  • B
    DF = MP
    Correct
  • C
    DF = NP
  • D
    None of these
2
Which congruence criterion do you use in the following? Given: EB = DB, AE = BC, \(\angle \)A = \(\angle \)C = 90\(^\circ \). So, \(\triangle \)ABE \( \cong \) \(\triangle \)CDB
  • A
    RHS
    Correct
  • B
    ASA
  • C
    SAS
  • D
    SSS
3
You want to establish \(\triangle \)DEF \( \cong \) \(\triangle \)MNP, using the ASA congruence rule. You are given that \(\angle \)D = \(\angle \)M and \(\angle \)F = \(\angle \)P. What information is needed to establish the congruence?
  • A
    \(\angle \)DE = \(\angle \)N
  • B
    DF = MP
    Correct
  • C
    DE = MN
  • D
    None of these
4
Among two congruent angles, one has a measure of 70\(^\circ \); the measure of the other angle is ___________.
  • A
    60\(^\circ \)
  • B
    50\(^\circ \)
  • C
    70\(^\circ \)
    Correct
  • D
    80\(^\circ \)
5
Among two congruent angles, one has a measure of 55\(^\circ \); the measure of the other angle is ___________.
  • A
    45\(^\circ \)
  • B
    55\(^\circ \)
    Correct
  • C
    75\(^\circ \)
  • D
    65\(^\circ \)
6
Among two congruent angles, one has a measure of 130\(^\circ \); the measure of the other angle is ___________.
  • A
    130\(^\circ \)
    Correct
  • B
    100\(^\circ \)
  • C
    110\(^\circ \)
  • D
    120\(^\circ \)
7
Among two congruent angles, one has a measure of 115\(^\circ \); the measure of the other angle is ___________.
  • A
    115\(^\circ \)
    Correct
  • B
    100\(^\circ \)
  • C
    120\(^\circ \)
  • D
    110\(^\circ \)
8
Among two congruent angles, one has a measure of 80\(^\circ \); the measure of the other angle is ___________.
  • A
    100\(^\circ \)
  • B
    70\(^\circ \)
  • C
    80\(^\circ \)
    Correct
  • D
    90\(^\circ \)
9
Among two congruent angles, one has a measure of 100\(^\circ \); the measure of the other angle is ___________.
  • A
    120\(^\circ \)
  • B
    110\(^\circ \)
  • C
    130\(^\circ \)
  • D
    100\(^\circ \)
    Correct
10
Among two congruent angles, one has a measure of 120\(^\circ \); the measure of the other angle is ___________.
  • A
    130\(^\circ \)
  • B
    100\(^\circ \)
  • C
    110\(^\circ \)
  • D
    120\(^\circ \)
    Correct
11
If \(\triangle \)DEF \( \cong \) \(\triangle \)BCA, write the part(s) of BCA that correspond to \(\angle \)E
  • A
    \(\angle \)D
  • B
    None of these
  • C
    \(\angle \)C
    Correct
  • D
    \(\angle \)A
12
If \(\triangle \)DEF \( \cong \) \(\triangle \)BCA, write the part(s) of BCA that correspond to EF
  • A
    AB
  • B
    None of these
  • C
    BC
  • D
    CA
    Correct
13
If \(\triangle \)DEF \( \cong \) \(\triangle \)BCA, write the part(s) of BCA that correspond to \(\angle \)F
  • A
    \(\angle \)C
  • B
    None of these
  • C
    \(\angle \)A
    Correct
  • D
    \(\angle \)D
14
If \(\triangle \)DEF \( \cong \) \(\triangle \)BCA, write the part(s) of BCA that correspond to DF
  • A
    CA
  • B
    BC
  • C
    None of these
  • D
    BA
    Correct
15
In triangles ABC and PQR, AB = 3.5 cm, BC = 7.1 cm, AC = 5 cm, PQ = 7.1 cm, QR = 5 cm and PR = 3.5 cm. By which congruence rule the triangles are congruent?
  • A
    RHS
  • B
    SAS
  • C
    ASA
  • D
    SSS
    Correct