Concave quadrilateral.
A convex polygon
A perpendicular diagonal is a pair of segments or lines that cross a polygon making a perpendicular
n*(n-3)/2 where n- no. of sides
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.
The only polygon with no diagonal is the triangle.
diagonal
Concave quadrilateral.
A concave polygon.
diagonal
A diagonal.
It is a convex polygon.
A convex polygon
It is a diagonal.
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 convex polygon
Unless the polygon is a triangle, it is a diagonal.