1440 degrees
1260 degrees
Exterior angle measures 18 degrees Interior angle measures 162 degrees
An equilateral triangle is the only polygon in which the exterior angle is larger than the interior angle. They are equal in a square and smaller in all regular polygons with more sides,
If exterior angles are 120 then interior angles must be 60 so you have an equilateral triangle
The sum of a regular polygons exterior angles always = 360
1260 degrees
Hint: in a regular polygon interior plus exterior = 180o, always.
Exterior angle measures 18 degrees Interior angle measures 162 degrees
If the exterior angle is 30o then the shape has 360/30 = 12 sides. An interior angle = 180 - exterior angle = 180 - 30 = 150. Since the shape has 12 sides the interior angles sum to 150 x 12 = 1800o.
An equilateral triangle is the only polygon in which the exterior angle is larger than the interior angle. They are equal in a square and smaller in all regular polygons with more sides,
If exterior angles are 120 then interior angles must be 60 so you have an equilateral triangle
Providing that it's a regular polygon then its interior angles will add up to 1260 degrees with each of its 9 interior angles measuring 140 degrees.
The sum of a regular polygons exterior angles always = 360
For regular polygons, all the interior angles are the same measure, while the sum of the exterior angles is always 360 for any regular polygon. Use these facts and the fact that each interior/exterior angle pair has a sum of 180 to answer this question. 360 divided by 8 = 45. So each exterior angle of the figure measures 45. 180 - 45 = 135, so each interior angle measures 135 degrees.
360
The exterior angle of an octagon measures 45 degrees. In geometry, this belongs to the group of polygons which are composed of many sides and angles.
Interior Angles: n-2 (n is number of sides) ____ 180 Exterior angles are always 360 degrees.