# Math Help in Geometry

If you're frustrated with geometry, math help is on the way.

At the bottom right corner of your screen, type (or copy and paste) the question with which you need help into the dark gray chat box.

If you can wait 20 minutes or so, let me know if you'd prefer a video tutorial.

You'll soon get quick, simple steps for solving your problem.  This math tutoring chat is perfect for word problems.

Within 24 hours, I'll e-mail you the link to a video showing you how to solve the problem.

### Is this a good resource for taking tests?

No, this website is not appropriate for tests.  That would be cheating.  We prepare for tests by studying and practicing.  Use this website for homework, practice problems, or sample problems.

## Circles and Tangent Lines

The following video solves this problem from Geometry B:

BC is tangent to Circle A at B and to Circle D at C. AB = 10, BC = 12, and DC = 5. Find AD. In this video, we use the Pythagorean Theorem to calculate the length of the line.