Question 30 (Choice - 2) - CBSE Class 10 Sample Paper for 2021 Boards - Maths Standard - Solutions of Sample Papers for Class 10 Boards

Last updated at Oct. 20, 2020 by Teachoo

In an equilateral triangle ABC, D is a point on side BC such that BD = 1/3 BC. Prove that 9 AD ² = 7 AB ²

This question is exactly same as Ex 6.5, 15 of Chapter 6 Class 10 in the NCERT Book.

Please check the answer and video here

https://www.teachoo.com/1702/521/Ex-6.5--15---In-equilateral-triangle-ABC--D-is-a-point-on-BC/category/Ex-6.5/

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