SOLUTION: State the sidelength of AC and AB. Please view link for diagram. https://docs.google.com/document/d/1Cl3HrcoR6jibNzxfDTIilS3imSplLY8nQUU0OpU9vLA/edit?usp=sharing

Question 1181859: State the sidelength of AC and AB. Please view link for diagram.
https://docs.google.com/document/d/1Cl3HrcoR6jibNzxfDTIilS3imSplLY8nQUU0OpU9vLA/edit?usp=sharing
Answer by greenestamps(13200) (Show Source): You can put this solution on YOUR website!

The given information makes it possible to use the law of cosines to find the length of AC. But I think I would go a different route.

In triangle ACD, draw altitude DE to side AC. Since the triangle is isosceles, that makes DEC and DEA congruent right triangles. Then use

to find CE and double that to find AC.

Then, knowing AC, use

to find AB.

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