Exterior angles add up to 360 degrees
Interior angles add up to 6840 degrees
The interior angles of a 12 sided polygon add up to: (12-2)*180 = 1800 degrees
The angles in a 15 sided polygon add up to 2340 degrees
The interiior angles of a 15 sided polygon add up to 2340 degrees
Providing that it is a regular polygon 10 degees otherwise angles may vary.
The interior angles add up to 1800 degrees
The sum of the interior angles of a 12 sided polygon add up to 1800 degrees.
The interior angles of a 12 sided polygon add up to: (12-2)*180 = 1800 degrees
The angles in a 15 sided polygon add up to 2340 degrees
The interior angles of an 11 sided polygon add up to 1620 degrees
The interiior angles of a 15 sided polygon add up to 2340 degrees
A 13 sided regular polygon
3240o
A quadrilateral (4-sided polygon).
Providing that it is a regular polygon 10 degees otherwise angles may vary.
The interior angles add up to 1800 degrees
The interior angles add up to 12,240 degrees
The 13 interior angles of a 13 sided polygon add up to 1,980 degrees