Answer:
Option D is correct .
Explanation:
A polygon is a two-dimensional figure made up of straight lines.
A polygon is said to be regular if all its angles are equal.
For example:
equilateral triangle, square, pentagon, hexagon, heptagon, octagon, decagon are all regular polygons as they all have equal angles .
A Web site defines a regular polygon as “a polygon with all angles the same measure.” We need to find if this definition valid?
Given Options:
A. No, because not all regular polygons fit this definition.
B. No, because some polygons that are irregular fit this definition.
C. Yes, because a square is a regular polygon.
D. Yes, because all regular polygons fit this definition.
Option D is correct .