NCERT Solutions for Class 10 Maths Chapter 6
Important NCERT Questions
Triangles
NCERT Books for Session 2022-2023
CBSE Board and UP Board Others state Board
EXERCISE 6.5
Page No:151
Questions No:15
In an equilateral triangle ABC, D is a point on side BC such that BD = 1/3 BC. Prove that 9 AD²=7 AB²
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