Teacher Resources for Instructional Planning


Geometry Std 7: Use the ratios of the sides of special right triangles to find lengths of missing sides.

Lesson Plans Special Right Triangles This lesson will be on applications of the Pythagorean Theorem to word problems and the topic of special right triangles. Find Missing Lengths This lesson instructs on using trigonometric ratios to find missing sides of special right triangles. Special Right Triangles A lesson on the special right triangles. Click on the link at the bottom to return to the home page of this lesson plan for worksheets and additional information. Right triangles with special angles and side ratios A lesson on the special right triangles with practice problems.

Resources: Solve Right Triangles This site contains examples of solving right triangles. Chicago Public Schools 50 pages loaded with lesson plans, examples, and assessments. You only need to stroll to this topic. The History of Trigonometry Interactive Trigonometry An introduction to right triangle trigonometry. Includes an interactive triangle which allows the student to change the angle and observe the sine, cosine, and tangent change with it. Trigonometric Functions Trigonometric definitions relating the graph of the point on the unit circle to the graph of each of the 6 functions. Edhelper.com Randomly generated worksheets on trigonometry. Geometry of Trigonometry Resource for Trigonometry including a java applet that shows the geometric relationship among all six trigonometric functions. It is an online tutorial that teaches trigonometry relating it to geometry, history, and functions. The best on the web! Common Angles Interactive common angles applet.
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