# NCERT Class 7 Mathematics Solutions: Chapter 7 – Congruence of Triangles Exercise 7.1 Part 1 (For CBSE, ICSE, IAS, NET, NRA 2022)

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1. Complete the following statements:

(a) Two line segments are congruent if________.

(b) Among two congruent angles, one has a measure of , the measure of other angle is________.

(c) When we write , we actually mean________.

(a) Two line segments are congruent if they have the same length.

(b) Among two congruent angles, one has a measure of , the measure of other angle is

(c) When we write , we actually mean .

2. Give any two real time examples for congruent shapes.

(i) Two footballs

(ii) Two teacher՚s tables.

3. If under the correspondence , write all the corresponding congruent parts of the triangles.

Given,

The corresponding congruent parts of the triangles are:

(i)

(ii)

(iii)

(iv)

(v)

(vi)

4. If , write the part (s) of that correspond to:

(i)

(ii)

(iii)

(iv)