# NCERT Solutions Class 10 Maths – Triangles | Chapter 6 Exercise – 6.5 Question 17

### Triangles | Chapter 6 Exercise 6.5 Question 17:

Tick the correct answer and justify: In ∆ABC, AB =  $6\sqrt{3}$ cm, AC = 12 cm and BC = 6 cm.    The angle B is:

(A) 120°           (B) 60°          (C) 90°            (D) 45°

Solution: Detailed explanation of exercise 6.5 question 17 is given in the below image and YouTube video.