Directions: Read carefully and choose the best answer. Reference to the term "side" means "right side".

1.
A normal 6-sided die is shown at the right.
a) Which of the face views shown below is the "front" view?

 Choose: A B C D E F

b)
Which of the face views shown below is the "top" view?
 Choose: A B C D E F

c)
Which of the face views shown below is the "right side" view?
 Choose: A B C D E F

ABCDEF

2.
Which of the 3-D stacks shown below can NOT have the orthographic projections shown at the right?

 Choose: A B C D
 A   B   C   D

3.
A 3-D stack is shown at the right. Which of the orthographic views at the bottom is the "front" view of this stack?

Choose:

 A B C D

4.
In the stack shown at the right, would it be possible to have a missing block inside the stack without it being noticeable from ANY side (face)?

Choose:
 Yes No

5.
A 3-D diagram is shown at the right. The front face of the pyramid is an isosceles triangle and its vertex is the center of the edge of the rectangular solid. Which of the choices is the "front" face of the solid?
Choose:

6.
The orthographic projections shown below correspond to the 3D stack shown at the right.

Choose:

 TRUE FALSE

7. Rectangular solids are piled as shown at the right. Which of the choices shown below is the "top" view of the solid at the right?

Choose:

8.
 The 3D stack is composed of congruent cubes. Which of the following statements are TRUE regarding this stack? (Check all that apply, and hit SUBMIT!)
It is possible that this stack consists of exactly 12 cubes.

It is possible that this stack consists of exactly 11 cubes.

The top view of this solid is a rectangle.

The front view of this solid is a rectangle.