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**Sabbir****Guest**

Is this problem solvable,if it is how do i solve it-

ABC is a isosceles triagle where AB=AC .The bisector of angle C intersects with AB at the point D,if AD+CD=BC,then angle A=?

**cooljackiec****Member**- Registered: 2012-12-13
- Posts: 160

I dont know..

I see you have graph paper.

You must be plotting something

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**bobbym****Administrator**- From: Bumpkinland
- Registered: 2009-04-12
- Posts: 81,771

Hi Sabbir;

Looks like it is 100 degrees.

**In mathematics, you don't understand things. You just get used to them.I have the result, but I do not yet know how to get it.All physicists, and a good many quite respectable mathematicians are contemptuous about proof.**

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**Sabbir****Guest**

What do i do to get angle A=100 ?