Special Right Triangles

This cheat sheet shows all of the right triangle trigonometric functions. It also provides information on special right triangles (30-60-90 and 45-45-90). This sheet will be a great reference tool and study guide.

The 30- 60- 90 triangle is one of two special right triangles we will be investigating. This resource will help you to find exact answers for sides of 30-60-90 triangles. It shows examples and tells you what to do if you forget the special patterns.

KHAN Academy is a great math resource in general. This link takes you to practice problems for solving for sides of special right triangles. On the left hand side of the page,there are links to more help on special right triangles.

The online math tests and quiz on special right triangles. This site allows you to take a quiz on special right triangles. It will grade it for you and then allow you to take it again if you would like to do so.

This video conveys the understanding that by similarity, side ratios in right triangles are properties of the angles in the triangle, leading to definitions of trigonometric ratios for acute angles. Music usually helps students to remember a concept.

This link has a flash cards tab, a matching tab and a multiple choice tab. Each of these tabs will provide you withe practice. Each item will tell you if you have the correct answer. This link is great for practice.