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Prove that if a line is drawn parallel to one side of a triangle to intersect the other two sides in distinct points, then the other two sides are divided in the same ratio.

 

This is Theorem 6.1 of Chapter 6 Class 10 in the NCERT Book.

Please check the answer and video here

https://www.teachoo.com/4284/1051/Theorem-6.1---Basic-Proportionality-Theorem/category/Theorems/

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Davneet Singh

Davneet Singh has done his B.Tech from Indian Institute of Technology, Kanpur. He has been teaching from the past 14 years. He provides courses for Maths, Science, Social Science, Physics, Chemistry, Computer Science at Teachoo.