Click on the link below to access eTool.
Use this eTool to determine the length of the third side of a triangle if the length of the two other sides are given.
- Adjust the the side lengths of the triangles.
- Click the blue points (horizontally) on the sliders and drag it to the desired length.
- Move the two points B to coincide.
- Click the points B one at a time and drag it to where they both coincide.
![](https://media.screensteps.com/image_assets/assets/001/815/819/original/e9e0ccc2-3938-4c4c-b8c2-c93c6f5f3b3f.png)