Geometry of Prisms and Pyramids

This video tutorial covers the concept of surface area through various examples. It begins with an introduction to surface area and composite figures, followed by detailed calculations of surface areas for a pyramid, a solid made of cubes, and a jewelry box. Each example demonstrates the step-by-step process of finding surface areas, emphasizing the importance of understanding the shapes and their dimensions.

What is the area of the composite figure discussed in the introduction?

• 90 square units

• 80 square units

• 72 square units

• 64 square units

What shape is the base of the pyramid discussed in the lesson?

• Triangle

• Rectangle

• Circle

• Square

How many triangular faces does the pyramid have?

• 2

• 3

• 4

• 5

What is the length of each edge of the cubes forming the solid?

• 1 inch

• 1/8 inch

• 1/4 inch

• 1/2 inch

How many square faces does the solid formed by cubes have?

• 50

• 46

• 40

• 36

What is the thickness of the sides and bottom of the wooden jewelry box?

• 1/2 inch

• 1/4 inch

• 1/8 inch

• 1 inch

What is the shape of the jewelry box discussed in the lesson?

• Rectangular Prism

• Sphere

• Cylinder

• Cone

What is the perimeter of the base of the large prism?

• 32

• 30

• 28

• 34

What is the total surface area of the large prism?

• 200 square inches

• 248 square inches

• 260 square inches

• 220 square inches

What is the final total surface area of the jewelry box including the small prism?

• 380 square inches

• 360 square inches

• 340 square inches

• 400 square inches