Learn the formula to find the perimeter of a rectangle. Explore examples of how to calculate a rectangle's perimeter.

Learn how to find the perimeter of a rectangle in coordinate plane with no sides horizontal or vertal, and see examples that walk through sample problems step-by-step for you to improve …

Learn how to calculate the perimeter of a square or a rectangle. We will see two examples that walk through sample problems step-by-step for you to improve your math knowledge and skills.

The perimeter of a geometric figure is the total length of all of its sides. For a rectangle, there are two sides having length ℓ and two sides having width w.

Learn how to find the area of a rectangle. This lesson explains the formula for determining the area of a rectangle and includes examples of its use.

A rectangle has a length of (2.0 ± 0.2) m and a width of (1.5 ± 0.1) m. Calculate (a) the area and (b) the perimeter of the rectangle, and give the uncertainty in each value.

Explore the area and perimeter of a rectangle in this 5-minute video. Learn the formulas and methods for calculating them, with examples, then take a quiz.

Learn how to find the side length of a rectangle given one side length and either the area or perimeter and see several examples that walk through, step-by-step, how to solve this type of …

Learn how to find the perimeter from the area of a given shape. Understand the stepwise method of calculations for some common shapes like square, rectangle, circle, and triangle.

Learn how to calculate the area of a rectangle, and see examples that walk through sample problems step-by-step for you to improve your math knowledge and skills.