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You will learn 2 methods used to calculate the measure of exterior ang.
Interior and exterior angles of an octagon. The sum of the measures of the interior angles of a polygon with n sides is n 2 180. The sum of the interior angles of a regular polygon is found with the formula. One interior angle is 720 div 6 120 circ.
If the side of a polygon is extended the angle. The sum of interior angles is 6 2 times 180 720 circ. 1 what happened when you dragged the black vertices.
This means that each interior angle of the regular octagon is equal to 135 degrees. Each exterior angle is the supplementary angle to the interior angle at the vertex of the polygon so in this case each exterior angle is equal to 45 degrees. 1080 8 135ยบ for each interior angle.
3 from your observations what is the sum of the measures of the interior angles of any octagon. Learn how to calculate the measure of individual exterior angles of a regular octagon. Remember that supplementary angles add up to 180 degrees.
The measure of each interior angle of an equiangular n gon is. 180 135 45. 4 select exterior angles.
2 when you dragged the slider to the other end what happened. So the measure of the interior angle of a regular octagon is 135 degrees. If you count one exterior angle at each vertex the sum of the measures of the exterior angles of a polygon is always 360.
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