concave
convex
A trapezoid is convex.
A non convex is a concave and a convex is differently shaped
The 'face' of the weld may be slightly convex, flat, or slightly concave.
An arrow can have both concave and convex surfaces, depending in its design.
The opposite of convex is concave. Concave shapes have an inward curve, while convex shapes have an outward curve.
It can be convex or concave.
convex and concave
Lenses: converging (convex) and diverging (concave) Mirrors: concave and convex
concave=in convex=out
convex
A rhombus is an equilateral parallelogram. As such, it is neither concave nor convex.
The Rear view mirrors are convex The Headlights are concave
Rectangle
concave
concave