Surface Area of Rectangular Prisms Warmup 2

What is the surface area of this figure?

• 3000 cm ²
• 164 cm ²
• 236 cm ²
• 328 cm ²

What do we call this object below?

• Net 
• Triangle
• Geometry
• y = mx + b

How many square inches of cardboard are needed to make this cereal box?

(do not include units)

Mathematical Equivalence

ON

What is the total surface area of the rectangular prism net?

• 120

• 158

• 240

• 1728

A rectangular brick has a length of 5 centimeters, a width of 9 centimeters and a height of 20 centimeters. What is the surface area of the brick?

• 650 cm²

• 600 cm²

• 450 cm²

Mrs. Jarrell is wrapping a present for her puppy's birthday. The box is 6 inches long, 4 inches wide, and has a height of 3 inches. How much wrapping paper is she going to need to use to wrap her puppy's present?

• 108 in²

• 72 in²

• 54 in²

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

• SA = 2lw + 2lh + 2wh
• SA = lw + lh + wh
• SA = length ∙ width
• SA = lw + lh + wh ÷ 2