IM 6.1.13 Practice: Polyhedra

Select all the polyhedra.

Is this polyhedron a prism, a pyramid, or neither?

Explain how you know.

How many faces, edges, and vertices does it have?

Tyler said this net cannot be a net for a square prism because not all the faces are squares. Do you agree with Tyler? Explain your reasoning.

Explain why each of these triangles has an area of 9 square units. You may use the applet below to help support your response.

A parallelogram has a base of 12 meters and a height of 1.5 meters. What is its area?

A triangle has a base of 16 inches and a height of inches. What is its area?

A parallelogram has an area of 28 square feet and a height of 4 feet. What is its base?

A triangle has an area of 32 square millimeters and a base of 8 millimeters. What is its height?

Find the area of the shaded region below. Show or explain your reasoning.