Jacobs Geometry
Contents 3 sections

Chapter 9 — Area

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 Area Open
2 Squares and Rectangles Open
3 Triangles Open
4 Parallelograms and Trapezoids Open
5 The Pythagorean Theorem Open

What each one-pager contains

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

Chapter 9 in one sentence

Area is built from the Area Postulate and rectangle formula, then extended to triangles, parallelograms, trapezoids, and the Pythagorean Theorem.