Exploring Adding and Subtracting Rational Expressions

The video tutorial covers the concept of surface area, focusing on rectangular prisms and cubes. It explains how to calculate surface area using nets and provides several examples. The tutorial also includes application problems to demonstrate practical uses of surface area calculations. The section on cubes introduces a specific formula for calculating their surface area. Overall, the video aims to enhance understanding of surface area through step-by-step examples and practical applications.

How do you calculate the surface area of a shape using a net?

• Divide the total area by the number of sides

• Subtract the smallest side from the total

• Multiply the length by width

• Add the area of all sides

What is the surface area of a rectangular prism with dimensions 16 cm, 10 cm, and 2.5 cm?

• 460 cm squared

• 450 cm squared

• 440 cm squared

• 430 cm squared

If a rectangular prism has dimensions 7 feet, 9 feet, and 12 feet, what is one possible value for its surface area?

• 510 feet squared

• 530 feet squared

• 500 feet squared

• 520 feet squared

What is the surface area of a rectangular prism with dimensions 6 yards by 13 yards?

• 364 yards squared

• 384 yards squared

• 394 yards squared

• 374 yards squared

What is the surface area of a rectangular prism with dimensions 18 cm, 10 cm, and 7 cm?

• 742 cm squared

• 762 cm squared

• 752 cm squared

• 732 cm squared

What is the formula used to calculate the surface area of a cube?

• side length cubed

• 6 * side length

• side length squared

• 6 * side length squared

For a cube with a side length of 8 inches, what is the surface area?

• 364 inches squared

• 374 inches squared

• 394 inches squared

• 384 inches squared

If a cube's side length is 3.5 feet, what is its surface area?

• 73.5 feet squared

• 83.5 feet squared

• 63.5 feet squared

• 93.5 feet squared

What is the least amount of wrapping paper needed for a shoebox with dimensions 14 inches by 5 inches by 8 inches?

• 430 inches squared

• 440 inches squared

• 450 inches squared

• 444 inches squared

What is the surface area of a rectangular prism with dimensions 8 cm, 20 cm, and 30 cm?

• 2200 cm squared

• 1900 cm squared

• 2100 cm squared

• 2000 cm squared