Which of the following figures is a parallelogram?
Which item below is not a polygon?
triangle
heptagon
octagon
circle
If a regular octagon has eight sides, what is the measure of each exterior angle?
15°
30°
45°
360°
What is the name of the polygon below?
quadrilateral
pentagon
hexagon
What is the measure of angle B?
36°
90°
108°
144°