Interior/Exterior Angles of Polygons
The measure of one interior angle in a pentagon
108 degrees
The sum of the interior angles in an octagon
1080 degrees
The measure of one interior angle in a hexagon
120 degrees
The measure of one interior angle in an octagon
135 degrees
The measure of one interior angle in a dodecagon
150 degrees
The sum of the interior angles in a dodecagon
1800 degrees
The measure of one exterior angle of a regular dodecagon
30 degrees
The measure of one exterior angle of a regular decagon
36 degrees
The sum of a polygon's exterior angles
360 degrees
The measure of one exterior angle of a regular nonegon
40 degrees
The sum of the interior angles in a pentagon
540 degrees
The measure of one exterior angle of a regular hexagon
60 degrees
The measure of one exterior angle of a regular pentagon
72 degrees
The sum of the interior angles in a hexagon
720 degrees
Polygon
a closed figure formed by segments called sides, that intersect w/ other sides at their endpoints called vertices
Regular Polygon
a polygon that is both equilateral and equiangular
10-sided polygon
decagon
12-sided polygon
dodecagon
6-sided polygon
hexagon
n-sided polygon
n-gon
9-sided polygon
nonegon
8-sided polygon
octagon
5-sided polygon
pentagon
4-sided polygon
quadrilateral
