Jacobs Geometry
Contents 3 sections

Chapter 11 — Right Triangle Trigonometry

This chapter is split into one page per lesson, based on the teaching plan’s terms and concepts.

Lesson one-pagers

Lesson Topic One-pager
1 Proportions in a Right Triangle Open
2 The Pythagorean Theorem Revisited Open
3 Isosceles and 30°-60° Right Triangles Open
4 The Tangent Ratio Open
5 The Sine and Cosine Ratios Open
6 Slope Open
7 The Laws of Sines and Cosines Open

What each one-pager contains

  • Words to know
  • Concepts to know
  • Formulas / rules
  • Homework helper
  • Watch out
  • Check

Chapter 11 in one sentence

Right-triangle proportions and trigonometric ratios connect angles and sides; slope and the Laws of Sines and Cosines extend the ideas beyond right triangles.