# Collins Maths Solutions Class 7 Chapter 18

## Collins Maths Solutions Class 7 Chapter 18 Congruence of Triangles

Welcome to NCTB Solution. Here with this post we are going to help 7th class students for the Solutions of Collins Maths Class 7 Mathematics, Chapter 18, Congruence of Triangles. Here students can easily find chapter 7 solutions with exercise wise explanation. Students will find proper solutions for Exercise 18.1 and 18.2 Our teacher’s solved every problem with easily understandable methods so that every students can understand easily. Here in this post all the solutions are based on ICSE latest Syllabus.

Congruence of Triangles Exercise 18.1 Solution :

Question no – (1)

Solution :

(a) Congruent shapes,

= A, C, D

= B,F,

= E, G

(b) Congruent shapes,

= E, F

= D, G

= A, C

= B, H

Question no – (2)

Solution :

This figures are in Congruent.

Question no – (3)

Solution :

Question no – (4)

Solution :

(a)

(b)

(c)

(d)

They all are congruent triangles of given figure.

Question no – (5)

Solution :

Congruent line segments are,

AF ≅ RQ, AE ≅ MQ,  FE ≅ MR,

AB ≅ PQ, DC ≅ NP, DE ≅ NM and

OP ≅ CB

And, congruent angles are,

∠QMR ≅ ∠AFE, ∠FAE ≅ ∠RQM,

∠ABC ≅ ∠QPQ, ∠RMQ ≅ ∠FEA

∠FDC ≅ ∠MNO, ∠PON ≅ ∠BCD

Question no – (6)

Solution :

If △DRP ≅ △UVW,

DR ≅ UV, RP ≅ CW, DP ≅ UW,

and, ∠DRP ≅ ∠UVW, ∠RPD ≅ ∠VUW

∠RPD ≅ ∠VWU

Question no – (8)

Solution :

These are Regular Pentagon.

They (a, b) are congruent.

Question no – (9)

Solution :

The given triangles are congruent because they are equilateral triangle.

Next Chapter Solution :

Updated: June 15, 2023 — 2:02 pm