# NCERT Class 7 Mathematics Solutions: Chapter 6 –The Triangle and its Properties Exercise 6.2 Part 1

Get top class preparation for IEO right from your home: fully solved questions with step-by-step explanation- practice your way to success.

1. Find the value of the unknown exterior angle in the following diagrams:

Answer:

(i) Consider

And

Exterior angle theorem

(ii) Consider

And

Exterior angle theorem

(iii) Consider

And

Exterior angle theorem

(iv) Consider

And

Exterior angle theorem

(v) Consider

And

Exterior angle theorem

(vi) Consider

And

Exterior angle theorem