The interior angles of a 7 sided polygon add up to 900 degrees
Exterior angles add up to 360 degrees and interior angles add up to 900 degrees in a 7 sided heptagon
The exterior angles of a 14 sided polygon add up to 360 degrees
A 10 sided decagon polygon has 10 interior angles that add up to 1440 degrees.
An 8 sided polygon is an octagon and has exterior angles that add up to 360 degrees and its interior angles add up to 1080 degrees
The sum of the interior angles of a 12 sided polygon add up to 1800 degrees.
Exterior angles add up to 360 degrees and interior angles add up to 900 degrees in a 7 sided heptagon
The interior angles of a 20 sided polygon add up to 3240 degrees
The interior angles of a 19 sided polygon add up to 3060 degrees
Remember the two equations. Exterior angle = 360 / no. of sides. Interior angle = 180 - exterior angle. So for 102 sided polygon. exterior angle = 360/102 = 3.5294... Interior angle = 180 - 3.5294... = 176.4706.... Hence sum of the 102 sided polygon's angles is 102 X 176.4706 = 18,000 degrees. ( to nearest degree).
The interior angles of a 20 sided polygon add up to 3240 degrees
The exterior angles of a 14 sided polygon add up to 360 degrees
A 10 sided decagon polygon has 10 interior angles that add up to 1440 degrees.
The interior angles of an 11 sided polygon add up to 1620 degrees
A 10 sided decagon polygon has 10 interior angles that add up to 1440 degrees.
An 8 sided polygon is an octagon and has exterior angles that add up to 360 degrees and its interior angles add up to 1080 degrees
The sum of the interior angles of a 12 sided polygon add up to 1800 degrees.
The interior angles of a 17 sided polygon add up to 2700 degrees