Calculating Surface Area of Rectangular Prisms

What is the formula to find the area of a rectangle?

• Length + Width

• Length x Width

• Length x Height

• Width / Height

How many faces does a rectangular prism have?

• 6

• 8

• 5

• 4

Why is it useful to know the surface area of an object?

• To understand its volume

• To calculate its weight

• To determine the amount of material needed for its surface

• To measure its density

What is the simplified formula for finding the surface area of a rectangular prism?

• (Width x Height) + (Length x Width) + (Length x Height)

• (Length x Width) x 2

• (Width x Height + Length x Width + Length x Height) x 2

• (Width x Height) x 2

In the formula for finding the surface area of a rectangular prism, why do we multiply by 2?

• It's a mathematical convention

• To double the total area

• To account for all six faces

• Because each face appears twice

What are the dimensions needed to calculate the surface area of a rectangular prism?

• Length, Width, and Height

• Length and Height

• Height and Width

• Length and Width

How do you find the area of the base of a rectangular prism?

• Length x Width

• Width x Height

• Length x Height

• Length + Width

If a rectangular prism has a height of 6, width of 3, and length of 10, what is its surface area?

• 324 cm^2

• 216 cm^2

• 432 cm^2

• 108 cm^2

What is the surface area of a rectangular prism with dimensions 6x5x8?

• 224 cm^2

• 248 cm^2

• 236 cm^2

• 240 cm^2

For a gift box with dimensions 3x12x5 inches, how much wrapping paper is needed?

• 222 inches^2

• 240 inches^2

• 234 inches^2

• 210 inches^2