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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

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+4 votes
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asked Aug 17, 2016 in Mathematics by Rahul Roy (7,895 points) ● 33 ● 108 ● 286

1 Answer

+4 votes
answered Aug 18, 2016 by Abhishek Kumar (14,593 points) ● 5 ● 9 ● 35

Solution to your question: 

commented Aug 18, 2016 by Rahul Roy (7,895 points) ● 33 ● 108 ● 286
Please explain how triangle ICA and ICD are similar?
commented Aug 18, 2016 by Abhishek Kumar (14,593 points) ● 5 ● 9 ● 35
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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