Match the vocabulary word with the correct definition. 1. regular polygon a line segment drawn from the center of a convex polygon (inscribed in a circle) to the midpoint of any side of the polygon. 2. apothem a polygon that is constructed inside of the circumference of a circle in which the vertices of the polygon lie on the circumference of the circle. 3. inscribed polygon a convex polygon in which all of the side lengths are equal and all of the interior angles have equal measure.