Frustrated? Need geometry help? You're in the right place.

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 free online math tutor chat is perfect for word problems.

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If the bottom right corner of your screen says "Leave a message," that means I'm offline. Click on it and send me the text of the problem you need help with. Please let me know the name of your math class (i.e., pre-algebra, advanced math, algebra 1, geometry, consumer math, etc.). It will ask you for your name and e-mail address. I value your privacy and will not share or sell your e-mail address.

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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.