1-8 Perimeter, Circumference, and

Area

Perimeter: The sum of the lengths of its sides

Area: the number of square units it encloses

Problem 1: Finding the Perimeter of a Rectangle

The botany club members are designing a rectangular garden for the courtyard of your school. They plan to place edging on the outside of the path. How much edging material will they need

You can name a circle with the symbol . For example, the circle with center A is written as A

A

Problem 2: Finding Circumference

What is the circumference of the circle in terms of ? What is the circumference to the nearest tenth?

Problem 3: Finding Perimeter in the Coordinate Plane

Problem 4: Finding Area of a Rectangle

You want to make a rectangular banner similar to the one shown. The banner is ft. wide and ft. high. To the nearest square yard, how much material do you need?

Problem 5: Finding Area of a Circle

Problem 6: Finding Area of an Irregular Shape

Problem 6: Finding Area of an Irregular Shape