This I Get

https://www.thisiget.com is a free resource for basic geometry. Each topic is covered in different ways including different explanations of the same topic, discovery learning, examples, quizzes and teaching assistants. Some topics have animated and interactive diagrams and steps between equations can be animated for clarity. Some examples are the proof of the Pythagorean Theorem, an interactive quiz on triangle area (where you draw the triangle) or a series of hints and answers where you can