The formula for calculating the size of an interior angle is: interior angle of a polygon = sum of interior angles ÷ number of sides. The sum of exterior angles of a polygon is 360°. The formula ...

Calculating the size of each exterior angle of regular polygons The formula for calculating the size of an exterior angle of a regular polygon is: \({exterior~angle~of~a~regular~polygon}~=~{ ...

The sum of the interior angles is: All the interior angles in a regular polygon are equal. The formula for calculating ... formed outside the polygon is the exterior angle. The sum of the exterior ...

A polygon is simply a shape ... It has four right angles (90°). The opposite sides are parallel. The diagonals bisect each other. The exterior angles of a rectangle are each 90°.

The formula for calculating the size of an interior angle is: interior angle of a polygon = sum of interior angles ÷ number of sides. The sum of exterior angles of a polygon is 360°. The formula ...

The sum of the interior angles is: \({180}~\times~{3}~=~540^\circ\) The number of triangles in each polygon is two less than the number of sides. The formula ... polygon is the exterior angle.

The exterior angles of a polygon always add up to 360°. Furthermore the interior and exterior angles at a point always add up to 180°. An exterior angle is the angle made with the side of the ...