Polygons
Triangles
compute properties of a triangle
5, 12, 13 triangle
triangle with vertices (0,0), (3,4), (4,3)
isosceles right triangle with area 1
specify side-angle-side
SAS 3 60deg 4
compute the area of a triangle
area of an equilateral triangle with side length a
find the nine-point circle for a given triangle
nine point circle of triangle (1,1)(2,4)(3,3)
Regular Polygons
compute properties of a regular polygon
pentagon
19-gon
specify parameters for a polygon
hexagon, perimeter=100
compute the diameter of a polygon
diameter of a nonagon with apothem 4
find the incircle of a regular polygon