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A polygon is a plane shape in which an area is enclosed by straight lines that meet pairwise.
Two lines cannot enclose an area. Either they are parallel and there are two gaps to the area between them or they meet at an angle and there is a gap in the enclosure opposite the angle.
So there must be at least three sides. Now three lines, taken two at a time create three distinct vertices (a triangle). So the least number of vertices is 3.
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What is a polygon with 2 more vertices than a quadrilateral?
square
How do you get the of a center of a regular polygon?
If it is a polygon with an even number (>2) of vertices, join any two pairs of opposite vertices. These lines will meet in the centre. If it is a polygon with an odd number (>1) of vertices, join any two vertices to the midpoints of the opposite sides. These lines will meet in the centre.
What is line segment connecting 2 vertices of a polygon?
Depending on which two vertices, it could be a side and it could be a diagonal.
What 2 advanced polygons have the same number of sides and vertices?
The number of sides and vertices in any polygon is always the same.
What is the sum of the angle measures in a 20 sided polygon?
The answer is 324 degrees. The general formula is (n-2)*180 degrees, where n=number of sides/vertices(both are same). But this is valid only for convex polygon (every internal angle is strictly less than 180 degrees & every line segment between two nonadjacent vertices of the polygon is strictly interior to the polygon except at its endpoints)
