NCERT Solutions for Class 7 Maths Chapter 7 Congruence of Triangles Ex 7.1 are part of NCERT Solutions for Class 7 Maths. Here we have given NCERT Solutions for Class 7 Maths Chapter 7 Congruence of Triangles Ex 7.1.

 Board CBSE Textbook NCERT Class Class 7 Subject Maths Chapter Chapter 7 Chapter Name Congruence of Triangles Exercise Ex 7.1 Number of Questions Solved 4 Category NCERT Solutions

## NCERT Solutions for Class 7 Maths Chapter 7 Congruence of Triangles Ex 7.1

Question 1.
Complete the following statements:
(a) Two line segments are congruent if……..
(b) Among two congruent angles, one has a measure of 70°; the measure of the other angle is…….
(c) When we write ∠A = ∠B, we actually mean….
Solution:
(a) they have the same length
(b) 70°
(c) m∠A = m∠B

Question 2.
Give any two real-life examples for congruent shapes.
Solution:

1. Two coins or notes of the same denomination.
2. Two keys of the same lock.

Question 3.
If ∆ ABC = ∆ FED under the correspondence ABC ↔ FED, write all the corresponding congruent parts of the triangles.
Solution:
Corresponding vertices: A and F; B and E; C and D.
Corresponding sides : $$\overline { AB }$$ and $$\overline { FE }$$ ; $$\overline { BC }$$ and $$\overline { ED }$$; $$\overline { CA }$$ and $$\overline { DF }$$.
Corresponding angles: ∠A and ∠F; ∠B and ∠E; ∠C and ∠D.

Question 4.
If ∆ DEF = ∆ BCA, write the part(s) of ∆ BCA that correspond to

1. ∠E
2. $$\overline { EF }$$
3. ∠F
4. $$\overline { DF }$$

Solution:

1. ∠C
2. $$\overline { CA }$$
3. ∠A
4. $$\overline { BA }$$

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