Finding 1 interior angle of a regular Polygon Problem 5 What is the measure of 1 interior angle of a regular octagon? Show Answer Problem 6 Calculate the measure of 1 interior angle of a regular dodecagon (12 sided polygon)? Show Answer ...
What is the interior angle of a dodecagon? The interior angle of a dodecagon is not 1260 that is of a nonagon * * * * * The interior angle of a dodecagon can have any value in the range (0, 360). The only restriction is that the sum of all 12 interior angles (which need not ...
ShapeSum of Interior AnglesInterior Angle of Regular Polygon Triangle 180° 60° Quadrilateral 360° 90° Pentagon 540° 108° Hexagon 720° 120° Heptagon 900° 128.57° Octagon 1080° 135° Nonagon 1260° 140° Decagon 1440° 144° Dodecagon 1800° 150° What Is a Polygon? A polygon is ...
There are six angles in a hexagon, and in a regular hexagon they are all equal. Each is 720/6, or 120 degrees. We now know that interior and exterior angles aresupplementary(add up to 180) at each vertex, so the measure of each exterior angle is 180 - 120 = 60. Example 5 If th...