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Solution - In an Equilateral Triangle Abc, D is a Point on Side Bc Such that Bd = `1/3bc` . Prove that 9 Ad^2 = 7 Ab^2 - CBSE Class 10 - Mathematics

ConceptPythagoras Theorem

Question

 
 

In an equilateral triangle ABC, D is a point on side BC such that BD = `1/3BC` . Prove that 9 AD2 = 7 AB2

 
 

Solution

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APPEARS IN

NCERT Mathematics Textbook for Class 10
Chapter 6: Triangles
Q: 15 | Page no. 151
2017-2018 (March) Delhi Set 1
Question 25.1 | 4 marks
2017-2018 (March) Delhi Set 3
Question 30.1 | 4 marks
2017-2018 (March) Delhi Set 2
Question 25.1 | 4 marks

Reference Material

Solution for question: In an Equilateral Triangle Abc, D is a Point on Side Bc Such that Bd = `1/3bc` . Prove that 9 Ad^2 = 7 Ab^2 concept: Pythagoras Theorem. For the course CBSE
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