Chapter 9 Measurement: Two-Dimensional Figures

Lesson 9-1 Accuracy and Precision

Lesson 9-2 Perimeter and Circumference

Lesson 9-3 Area of Parallelograms

Lesson 9-4 Area of Triangles and Trapezoids

Lesson 9-5 Area of Circles

Lesson 9-6 Area of Irregular Figures

Lesson 9-7 Powers and Roots

Lesson 9-8 The Pythagorean Theorem