Step 1
Given;
Step 2
The apothem is a perpendicular line from the center of a regular polygon to one of the sides. O is the center of the regular polygon.
The radius of a regular polygon is a segment with one endpoint at the center and the other endpoint at one of the vertices. Thus, there are n radii in an n-sided regular polygon. The center and radius of a regular polygon are the same as the center and radius of a circle circumscribed about that regular polygon.
The perimeter of a regular polygon is a sum of the length of all the sides of the polygon.
Thus, the required parts are;
[tex]a=OP,\text{ r=OA, p=8AB}[/tex]Answer; Option D