Name:    SOL Topic #5: Angles with Polygons

Multiple Choice
Identify the choice that best completes the statement or answers the question.

1. a. 30° b. 36° c. 60° d. 72°

2. a. 30° b. 45° c. 60° d. 72°

3. a. 45° b. 60° c. 75° d. 135°

4. a. 4 b. 5 c. 6 d. 8

5. a. 72° b. 90° c. 110° d. 120°

6.

Each exterior angle of a certain regular polygon measures 30°.  How many sides does the polygon have?
 a. 6 b. 9 c. 10 d. 12

7. a. 35 b. 40 c. 45 d. 50

8. a. 45° b. 60° c. 90° d. 120°

9. a. 410° b. 335° c. 155° d. 130°

10. a. 135° b. 60° c. 45° d. 30°

11. a. 87.5° b. 90° c. 105° d. 120°

12. What is the value of x in the pentagon above?
 a. 90º b. 155º c. 245º d. 335º

13. Which is the closest to the measure of a central angle x in the regular polygon?
 a. 40º b. 45º c. 50º d. 60º

14. What is the measure of the interior angle ABC of the regular polygon shown?
.
 a. 225º b. 180º c. 160º d. 144º

15.

The polygon shown is convex. The sum of its interior angle measures is —
 a. 900° b. 1,260° c. 1,620° d. 2,520°

16.

If each interior angle of a regular polygon measures 120°, how many sides does the polygon have?
 a. 14 b. 12 c. 8 d. 6

17.

Which angle measure below is not a possible measure of an exterior angle of a regular polygon?
 a. 36° b. 40° c. 45° d. 54°

18.

In the figure, what is the measure of ÐC? a. 70° b. 90° c. 100° d. 110°