Right Triangles and Trigonometry

5 online lessons · 1 in-person Review & Practice Day

The right triangle's two great tools — the Pythagorean Theorem and trigonometry — for finding what you can't measure directly.

Lessons

• 8.1 The Pythagorean Theorem and Its Converse ~15–30 min
• 8.2 Special Right Triangles (45-45-90 and 30-60-90) ~15–30 min
• 8.3 Introduction to Trig Ratios (sine, cosine, tangent) ~15–30 min
• 8.4 Solving for Missing Sides and Angles ~15–30 min
• 8.5 Angles of Elevation and Depression (applications) ~15–30 min