Math 7B U5L2 and 3 Vocab and SA of Prisms

Unit 5 Surface Area

By Rachel Saltzstein

Faces, Edges, and Vertices

​The outside faces. No top or bottom.

This rectangular prism has 4 lateral faces.

Lateral Faces

​- Name of Author

" Replace this with a quote, words full of wisdom that someone important said and can inspire the reader. " 

Fill in the Blanks

​The 2 dimensional shapes that make up a three dimensional shape.

Net

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Surface Area of a Rectangular Prism Formula and Why

SA=2⋅l⋅w+2⋅l⋅h+2wh

SA=2⋅l⋅w+2⋅l⋅h+2wh

Multiple Choice

Find the surface area. Use the formula SA=2lw+2wh+2lh

• 320 square inches
• 180 square inches
• 294 square inches
• 250 square inches

SA=2⋅l⋅w+2⋅l⋅h+2wh

Multiple Choice

What is the width of the prism if the length is surface area is 6 cm, height is 4 cm, and the surface area is 188 cm^2? Use the formula SA=2lw+2lh+2wh

• 7 cm
• 5 cm
• 8 cm
• 10 cm

Multiple Choice

What is the surface area of the cube?

• 12 cm²

• 36 cm²

• 24 cm²

• 64 cm²

Multiple Choice

Find the total surface area of the prism.

• 48 square inches
• 64 square inches
• 88 square inches
• 76 square inches