Convex And Concave Polygons
In geometry, a polygon can be either convex or concave (non-convex or reentrant).
Read more about Convex And Concave Polygons: Convex Polygons, Concave or Non-convex Polygons
Famous quotes containing the word concave:
“I think he is not a pick-purse nor a horse-stealer, but
for his verity in love, I do think him as concave as a covered goblet or a worm-eaten nut.”
—William Shakespeare (1564–1616)