ch 6.1: interior and exterior angles

Sum of the interior angles of a decagon.

1440 degrees

The measure of each interior angle of a regular dodecagon.

150 degrees

Sum of the interior angles of a dodecagon.

1800 degrees

The measure of each exterior angle of a regular dodecagon.

30 degrees

The measure of each exterior angle of a regular decagon.

36 degrees

The sum of the exterior angles of a dodecagon.

360 degrees

The measure of each exterior angle of a regular nonagon.

40 degrees

The measure of each exterior angle of a regular octagon.

45 degrees

The measure of each exterior angle of a regular heptagon.

51.43 degrees

Sum of the interior angles of a pentagon.

540 degrees

The measure of each exterior angle of a regular hexagon.

60 degrees

The measure of each exterior angle of a regular pentagon.

72 degrees

Sum of the interior angles of a hexagon.

720 degrees

Sum of the interior angles of a heptagon.

900 degrees

The measure of each interior angle of a regular pentagon.

108 degrees

Sum of the interior angles of a octagon.

1080 degrees

The measure of each interior angle of a regular hexagon.

120 degrees

Sum of the interior angles of a nonagon.

1260 degrees

The measure of each interior angle of a regular heptagon.

128.57 degrees

The measure of each interior angle of a regular octagon.

135 degrees

The measure of each interior angle of a regular nonagon.

140 degrees

The measure of each interior angle of a regular decagon.

144 degrees