Surface Area of Rectangular and Triangular Prisms 805

How many faces does this shape have?

• 6
• 3
• 9
• 5

What is surface area?

• Inside of the object
• The sum of all the areas of all the shapes that cover the surface of the object.
• Something Mrs. MacGregor made up?
• Surface area is what you get when you boil unicorn tears. 

Find the total surface area of the prism.

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

What is the total surface area of the triangular prism shown? 

• 468 in²
• 540 in²
• 576 in²
• 700 in²

Which example requires you to find the surface area?

• Finding out how much water will fill a cylinder
• Finding out how much wrapping paper is needed to cover a present
• Finding the amount a container can hold
• Finding out how much wood is needed to build a fence in your back yard.

How do you find the AREA of a TRIANGLE?

• Height x Base divided by 4
• Length x Width
• 1/3 (Length x width)
• 1/2 (Base x height)

What 3D solid does this net create?

• Triangular Prism
• Triangular Pyramid
• Rectangular Pyramid
• Square Prism

What is the area of the lateral faces?

• 56 cm²
• 80 cm²
• 136 cm²
• 96 cm²

Lateral surface area is ________________

• The area of just the bases of the prism

• The area of all the faces of the prism

• The area of the sides of the prism

B stands for ________________

• Area of the base
• Perimeter of the base
• Area of the prism

• Perimeter of the prism