Lesson 13
Polyhedra
Problem 1
Select all the polyhedra.

A
B
C
D
E
Solution
Teachers with a valid work email address can click here to register or sign in for free access to Formatted Solution.
Problem 2
-
Is this polyhedron a prism, a pyramid, or neither? Explain how you know.
- How many faces, edges, and vertices does it have?
Solution
Teachers with a valid work email address can click here to register or sign in for free access to Formatted Solution.
Problem 3
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.

Solution
Teachers with a valid work email address can click here to register or sign in for free access to Formatted Solution.
Problem 4
Explain why each of these triangles has an area of 9 square units.

Solution
Teachers with a valid work email address can click here to register or sign in for free access to Formatted Solution.
(From Unit 1, Lesson 8.)Problem 5
-
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 \(\frac18\) 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?
Solution
Teachers with a valid work email address can click here to register or sign in for free access to Formatted Solution.
(From Unit 1, Lesson 9.)Problem 6
Find the area of the shaded region. Show or explain your reasoning.

Solution
Teachers with a valid work email address can click here to register or sign in for free access to Formatted Solution.
(From Unit 1, Lesson 3.)