Polygon generator

Random vertices:
How many?
X Range: from    to
Y Range: from    to

Integer     Continuous #decimal digits:

Input X and Y coordinates of your vertices:
X's:
Y's:

Vertices: (CW starting at lower left)

x̄    ȳ

Signed area A       Centroid: Cx    Cy

One possible random polygon or your polygon: 

Isosceles right 1-1-sqrt2
0 0 1
0 1 0

3-4-5 right
0 0 4
0 3 0

5-12-13 right
0 0 12
0 5 0

30-60-90 right  1-sqrt3-2
0 0 1.732
0 1 0

Equilateral triangle 1-1-1
0 .5 1
0 1 0

Isosceles  base 1  side 2
0 .5 1
0 1.936 0


Square:
0 0 1 1
0 1 1 0

Rectangle 1x2:
0 0 2 2
0 1 1 0

Parallelogram  sides 1 and 1  45deg slant
0 .707 1.707 1
0 .707  .707 0

Parallelogram  sides 1 and 2
0 1 3 2
0 1 1 0

Trapezoid 1-1-sqrt2-2    one slant side (sqrt2)
0 0 1 2
0 1 1 0

hexagon  regular
1 1.5    2.5  3 2.5  1.5
1 1.866 1.866 1 .134 .134