
Calculating Area and Perimeter
9th Grade · Math · 45 min
Lesson Preview
Learning Objective
I can calculate the area and perimeter of various geometric shapes.
- 1
The area of a square or rectangle can be found by multiplying the length by the width, or A = L x W.
- 2
Area is a two-dimensional quantity that is measured in square units.
- 3
The area of any triangle can be calculated using the formula: Area = ½ x base x height.


