Providing that it is a 13 regular polygon each interior angle will be 152.3076923 degrees.
They are all 60 degrees.
Exterior angles 360 degrees Interior angles 1260 degrees
Interior angles total 2520 degrees
900 degrees
Each interior angle of a square is 90 degrees and its 4 angles add up to 360 degrees
They are all 60 degrees.
Exterior angles 360 degrees Interior angles 1260 degrees
Interior angles = 360 degrees Exterior angles = 360 degrees
Each of the 4 interior angles measure 90 degrees
An interior angle of a regular octagon is 45 degrees. The exterior angles measure 315 degrees.
Interior angles: 120 degrees Exterior angles: 60 degrees
Interior angles total 2520 degrees
The measure of the interior angle is 120 degrees. The measure of the exterior angle is 60 degrees. Of course, the measure of all the angles add up to 720 degrees.
Exterior angle+interior angle=180 degrees and 180-exterior angle=interior angle
900 degrees
Each interior angles measures 150 degrees
Each interior angle of a square is 90 degrees and its 4 angles add up to 360 degrees