Finding Area and Perimeter of a Square

This lesson teaches how to calculate the area and perimeter of rectangles and squares using formulas. It begins with an introduction to the concepts, followed by detailed explanations and examples of calculating perimeter and area. The lesson includes practical applications, such as determining the amount of fencing and flooring needed for a dog pen. The video concludes with a summary of the key points covered.

What is the formula for calculating the perimeter of a rectangle?

• P = 2(l + w)

• P = l * w

• P = l + w

• P = 4s

If a square has sides of 5 feet, what is its perimeter?

• 10 feet

• 15 feet

• 20 feet

• 25 feet

How do you calculate the area of a square?

• Multiply one side by 4

• Add all sides together

• Multiply the length by the width

• Multiply one side by itself

For a square pen with 7-foot sides, how much fencing is required?

• 28 feet

• 21 feet

• 35 feet

• 49 feet

What is the area of a square pen with sides measuring 7 feet?

• 35 square feet

• 42 square feet

• 49 square feet

• 56 square feet