Polygon Quiz

Polygons Quiz

1. Tell whether the figure is a polygon. If it is a polygon, name it by the number of its sides.

a. Polygon, decagon

b. Polygon, hexagon

c. Polygon, dodecagon

d. Not a polygon

2. Which best describes the figure?

a. Regular convex heptagon

b. Irregular convex heptagon

c. Irregular concave heptagon

d. Irregular convex hexagon

3. What is the measure of each interior angle in a regular convex nonagon?

a. 40˚

b. 140˚

c. 180˚

d. 1260˚

4. What is the value of y?

a. 100˚

b. 102˚

c. 90˚

d. 85˚

5. Find the number of sides of a regular polygon if the sum of the measures of the interior angles is 900˚. The number of sides is:

a. 9

b. 5

c. 7

d. 3

6. Find the measure of each exterior angle of a regular decagon.

a. 45˚

b. 22.5˚

c. 18˚

d. 36˚

7. If the measure of each exterior angle of a regular polygon is 18˚, determine how many sides the polygon has.

a. 20 sides

b. 22 sides

c. 18sides

d. 16 sides

8. What is the area of the triangle with a height of 3 inches and a base of 5.5 inches?

a. 8.25 in²

b. 8.5 in²

c. 16.55 in

d. 16.5 in²

9. Find the area of the parallelogram.

a. 29.04 ft²

b. 22.44 ft²

c. 14.96 ft²

d. 11.22 ft²

10. Find the area of the trapezoid ABEC in square units.

a. 80

b. 78

c. 60

d. 66

11. Find the area of the figure below, formed from a triangle and a parallelogram.

a. 96 square millimeters

b. 144 square millimeters

c. 72 square millimeters

d. 120 square millimeters