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A polygon is 1) a closed figure 2) lying on (in) a plane that 3) is composed of a finite number of (straight) line segments. Let's break it down. Picture a plane. You know. A flat surface of zero thickness and infinite width and length. That plane. Put a triangle on that plane. There's the closed figure. The triangle has the least number of (straight) line segments in its construction. Put a square on the plane. Another polygon. Put a hexagon on the plane. Same thing. Note: these figures we have described are all regular figures. On our plane, any triangle, any quadrilateral, any pentagon, hexagon or n-gon will be a polygon. (And ncannot be infinite.) Are we good? Surf the link to the Wikipedia article on the polygon, even if just for a quick look at the drawing of some representative polygons. The picture is worth a thousand words, and that should allow a viewer to "lock in" the information.
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A line segment that joins two vertices of a polygon but is not a side of the polygon?
………………………… is a line segment that joins two vertexof a polygon but is not a side of the polygon.
What is the difference between convex polygon and non convex polygon?
A polygon is convex if you can take any two points inside the polygon and connect them with a line segment that is completely contained by the polygon. A non-convex polygon is one which contains at least two points such that the line joining them does not lie entirely inside the polygon.
What is the difference between a regular polygon and non-regular polygon?
All the sides of a regular polygon have the same length. If two or more sides of a polygon have different lengths, then the polygon is not regular.
What polygon is created by combining two identical triangles into one polygon?
Generally - a parallelogram.
What shapes have two consecutive sides that are congruent?
Any polygon can have, and every regular polygon has.
