a polygon is convex
A non convex is a concave and a convex is differently shaped
projector have concave or convex
the union of two convex sets need not be a convex set.
convex
Convex ~
The lens of the eye is biconvex (convex on both sides).
a convex lens
A convex polygon.I suspect that what you mean is a convex polygon.
convex
yes a triangle is a convex
"Convex" is an adjective.