Chapter 9: Distance and Area Difficulty Level: Basic Created by: CK-12 CK-12 Middle School Math - Grade 7 Read Resources Details Chapter Outline 9.1. Square Roots9.2. Approximating Square Roots9.3. The Pythagorean Theorem9.4. Area of Parallelograms9.5. Areas of Triangles9.6. Area of Trapezoids9.7. Circumference of a Circle9.8. Area of Circles Chapter Summary Image Attributions Description This chapter introduces students to concepts such as square roots and rational and irrational numbers before covering the Pythagorean Theorem and areas of parallelograms, triangles, trapezoids, and circles. Difficulty Level: Basic Authors: Sarah Brockett Jen Kershaw Tags: approximation area area of circle (13 more) circumference CK.MAT.ENG.SE.1.Math-Grade-7.9 congruency distance parallelograms pi Pythagorean theorem radical rational and irrational numbers square roots tabular interpolation trapezoids triangle areas Subjects: mathematics Grades: 7 Date Created: Dec 10, 2014 Last Modified: Jan 14, 2015 You can only attach files to chapter which belong to you If you would like to associate files with this chapter, please make a copy first.