7.8Solving Right Triangles
Quick Answer
Solving a right triangle means finding all missing sides and angles. Use trig ratios for sides, inverse trig (sin⁻¹, cos⁻¹, tan⁻¹) for angles, and the Pythagorean Theorem as needed.
Essential Question
What information do you need to uniquely determine all sides and angles of a right triangle, and which tools do you use for each missing piece?
Learning Goals
- 1Use inverse trig functions to find missing angles.
- 2Solve a right triangle given two sides.
- 3Solve a right triangle given one side and one acute angle.
- 4Check answers using the angle sum and Pythagorean Theorem.
Key Vocabulary
Inverse trig functions
sin⁻¹, cos⁻¹, tan⁻¹; used to find an angle when a ratio is known.
Solving a triangle
Finding all unknown sides and angles of a triangle.
Full lesson content coming soon
Worked examples, guided practice problems, a workbook, quiz, and downloadable PDF resources will be added to this lesson in Phase 2. The learning goals and vocabulary above reflect the complete lesson scope.