## Arbitrary Polygons

At first you have to enter the coordinates of the vertices of the polygon.

Then the area, the circumference and the coordinates of the centroid are displayed and the polygon is plotted.

### Example:

Vertices:   Area  A = 18
A(0|0)
B(4|1)     Perimeter  p = 22,032567
C(6|0)
D(5|7)     Centroid of vertices:
CV(3,75|2)

Centroid of area:
CA(3,72222|2,66667)