Surface Area

How many faces does a triangular prism have?

• 3

• 4

• 5

What do you do with the area of all of the faces at the end?

• divide them all

• subtract them all

• multiply them all

• add them all

For a triangular prism, the bases are the two triangular faces.

• true

• false

How do you find the area of a triangle?

• b ❌️ h

• b ❌️ h ➗️ 2

• l ❌️ w

Which represents the numbers to find the area of the triangle?

• (6  x   5)  /  2

• (6  x  4)  /  2

• 6 x 4

• 6 x 5

What is the area of one of the triangles?

• 24 sq inches

• 12 sq inches

• 15 sq inches

What is it called when a 3D shape is unfolded?

• net

• face

• triangles

• 3D

Which 2 rectangles will have the same area?

• left and bottom

• left and right

• right and bottom

• rectangle and triangle

What are the dimensions of the bottom rectangle?

• 7 x 5

• 7 x 6

• 5 x 4

What are the dimensions of the right and left rectangles?

• 7 x 6

• 5 x 4

• 5 x 4

• 7 x 5