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Using the formula: 1/2*(n2-3n) whereas 'n' is the number of sides of the polygon

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What is the formula finding no of diagonal for any polygon?

1/2*(n2-3n) where n is the number of sides of the polygon


What is a polygon with no diagonal?

The only polygon with no diagonal is the triangle.


What are the two ways of finding the number of sides of a polygon which has 189 diagonals?

By using the polygon diagonal formula or the quadratic equation formula in which in both formulae they work out that the polygon in question has 21 sides.


What is a poloygon in which a diagonal can be drawn such that part of the diagonal contains points in the exterior of the polygon?

A concave polygon.


What type of polygon must have a diagonal such that part of the diagonal falls outside of the polygon?

Concave quadrilateral.


A polygon in which no diagonal contains points in the exterior of the polygon?

It is a convex polygon.


What polygon has no diagonal that contains points outsides the polygon?

A convex polygon


Is a diagonal always a side of a polygon?

No, a diagonal is never a side of a polygon:A diagonal is a line between two non-adjacent vertices of a polygon;A side is a line between two adjacent vertices of a polygon.


A Polygon is a if no diagonal contains point in the exterior?

a convex polygon


What is the difference between finding the perimeter of a polygon and finding the area of a polygon?

Finding the perimeter of a polygon is finding how far it is in total along all the edges of the polygon; whereas finding the area of a polygon is finding how much space the polygon covers. The perimeter of a polygon forms the boundary around the area of the polygon.


Name a diagonal of polygon VWXYZ?

VX


What is a segment that is not a side but connects two vertices of a polygon?

Unless the polygon is a triangle, it is a diagonal.