Exam 1-1 - Math 213 1(16). Exam 1A Spring 2007 Name_ a....

Math 213 Exam 1A Spring 2007 Name______________________________
1(16). a. Draw a net for the pentagonal prism shown at right.
b. This prism has _____ (# of) faces, ______ edges, and ______ vertices.
c. If a prism has octagonal bases, it has ______ faces, ______ edges, and ______ vertices.
2(9). Consider the earth and moon shown below. Assume you are looking down on the North
Pole.
a. Draw in the sun rays so that a person located at point P will be experiencing sunset.
b. Sketch what the moon will appear like to a earth-observer.
c. Is the moon waxing or waning?
P •
moon
Earth

3(8). Triangle ABC shown at right is an equiangular and equilateral triangle.
A person begins walking at point A, turns at B, turns at C, and
returns to point A but does not turn. What is the total number of
degrees the walker has turned? Explain.
4(8). Jenn sees the reflection of her brother Ben in a flat mirror. Sketch the mirror; be sure it is
tilted at an appropriate angle. Use a protractor, and mark the angles that are congruent.
5(8). Identify whether the following is an example of inductive reasoning or deductive
reasoning.