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In a traingle ABC,AD is the bisector of angle BAC and I is its incentre.Prove that AI/ID=AB+AC/BC

+4 votes
asked Aug 17, 2016 in Mathematics by Rahul Roy (7,955 points)

1 Answer

+4 votes
answered Aug 18, 2016 by Abhishek Kumar (14,688 points)

Solution to your question: 

commented Aug 18, 2016 by Rahul Roy (7,955 points)
Please explain how triangle ICA and ICD are similar?
commented Aug 18, 2016 by Abhishek Kumar (14,688 points)
We know that bisector of an angle bisect in two equal angles. So, in ICA and ICD angles are equal and one common side. So they are similar

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