Surface Area of Prisms & Pyramids

Surface Area of Prisms & Pyramids

How can you find the surface area of a polyhedron?

Using a Net

-Draw a net of the rectangular prism (don't forget the top!)

-Find the area of each face.

-Add all of the areas together.

Multiple Choice

What is the surface area of the triangular prism?

• 264 cm²

• 480 cm²

• 288 cm²

• 528 cm²

Multiple Choice

Find the surface area of the square pyramid. (Draw a net to help you).

• 27 m²

• 36 m²

• 39 m²

• 72 m²

Multiple Choice

Find the surface area of this cube.

• 81 in

• 729 in²

• 486 in²

• 405 in

Multiple Choice

Find the surface area of the rectangular prism with:

l = 2 yd, w = 6 yd, h = 3 yds

• 72 yd²

• 36 yd²

• 48 yd²

• 84 yd²

Multiple Choice

What is the surface area of this triangular prism?

• 53 ft²

• 37 ft²

• 25 ft²

• 72 ft²

Poll

How do you feel about finding the surface area of prisms and pyramids?

• Great!

• So-So

• Confused