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A polygon is a closed figure in the plane. It has an inside and an outside.
The angles on the inside are the interior angles. An exterior angle is the angle between any side of the polygon and a line extended from the next side.
Here is an example to help.
If you draw an triangle, the angles inside it are interior angles. Then if you extend any side, the angle between that line and the next side is the exterior angle.
The sum of the exteriors is always 360. For a polygon with n sides, the sum of the interior angles is 180 (n-2) degrees.
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If the sum of the interior angles of a polygon equals the sum of the exterior angles what is the name of the polygon?
A Regular Polygon
Which regular polygon's interior angles is three times that of its exterior angles?
octagon interior=135 exterior=45
What type of regular polygon has equal interior and exterior angles?
A quadrilateral.
What is the sum of the measures of the interior angles of the regular polygon if each exterior measures 120?
Hint: in a regular polygon interior plus exterior = 180o, always.
What is the name of th regular polygon whose interior angle is treble its exterior?
It is a regular 8 sided octagon whose interior angles are 135 degrees and its exterior angles are 45 degrees
