Polygon
Slightly more then a triangle
Fun with convex polygons - 2012
Computing the Area of a Convex Polygon
https://erkaman.github.io/posts/area_convex_polygon.html
Slightly more then a triangle
Fun with convex polygons - 2012
Computing the Area of a Convex Polygon
https://erkaman.github.io/posts/area_convex_polygon.html