Curated OER
Solving Right Triangles
Students investigate the basic trigonometric functions. In this geometry/trigonometry lesson, students explore strategies to solve right triangles using basic trigonometric functions. The lesson includes an application problem in which...
National Council of Teachers of Mathematics
Nctm: Illuminations: Tube Viewer Simulation
A computer simulation of viewing through various lengths of tubes at different distances. The simulation also has an exploration of focus questions. [Requires Java.]
Curated OER
Zona Land: Right Triangle Solver 2
A java applet that will solve a right triangle when you provide angle D and its adjacent side e.
Curated OER
Zona Land: Right Triangle Solver 3
A java applet that will solve a right triangle when you provide angle D and the length of the hypotenuse f.
Curated OER
Zona Land: Right Triangle Solver 4
A java applet that will solve a right triangle when you provide side lengths for d (long side) and e (short side).
Curated OER
Zona Land: Right Triangle Solver 5
A java applet that will solve a right triangle when you provide the lengths of side e (short side) and side f (hypotenuse).
Curated OER
Zona Land: Right Triangle Solver 6
A java applet that will solve a right triangle when you provide the lengths for side d (long side) and for side f (hypotenuse).
Math.com
Math.com: Pythagorean Theorem and Right Triangle Facts
The lesson investigates right triangles and the Pythagorean Theorem. Definitions, examples, and a worksheet are available.
Ministry of Education and Universities of the Region of Murcia (Spain)
Ministerio De Educacion Y Ciencia: Introduccion a La Trigonometria
This is an interactive activity introducing the concept of trigonometry and working with trigonometric functions to solve right triangles.
Other
Dans Math: Lessons: Trigonometry
College professor Dan Bach reviews basic trig concepts, including trig functions, right triangles, circles, radians, and polar coordinates. Site includes animated graphs and detailed examples.
McGraw Hill
Glencoe Mathematics: Online Study Tools: Quiz on Solving Right Triangles
Learners demonstrate comprehension of advanced mathematical concepts in Trigonometry. The questions check understanding on the topic of solving right triangles.
Analyze Math
Analyze Math: Triangle Problems
Here are five triangle problems to solve using the Law of Sines, Law of Cosines, Pythagorean Theorem, and trigonometry. All problems have detailed written solutions included.
Interactive Mathematics
Interactive Mathematics: The Right Triangle and Applications
Learn how to "solve" a right triangle and apply the concept to real world situations using angles of elevation and depression.