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Videos, games, activities and worksheets to help SAT students review questions that involve triangles.

SAT Math Tutorials in HD - Triangles

This video covers triangle facts, including the Pythagorean Theorem and special right triangles (30-60-90 & 45-45-90).

This video reviews the SAT math practice problems & questions from the end of the last episode on triangles (Pythagorean Theorem, Special Right Triangles (30-60-90, 45-45-90)).

SAT Practice Question: 30-60-90 Similar Triangles and Perimeter

Rotate to landscape screen format on a mobile phone or small tablet to use the **Mathway** widget, a free math problem solver that **answers your questions with step-by-step explanations**.

You can use the free Mathway calculator and problem solver below to practice Algebra or other math topics. Try the given examples, or type in your own problem and check your answer with the step-by-step explanations.