NegativelyOrientedPoints
NegativelyOrientedPoints[{p1,p2,p3,…,pn}] tests whether the sequence of points p1,p2,p3,…,pn is negatively oriented.
Examples
NegativelyOrientedPoints[{{0,0}, {1,0}, {0,1}}]
(* False *)NegativelyOrientedPoints[{{0,0}, {0,1}, {1,0}}]
(* True *)Please visit the official Wolfram Language Reference for more details.