convex
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
1. plain mirror2. concave mirror 4. concave lens3.convex mirror 5.convex lens
concave=in convex=out
A rhombus is an equilateral parallelogram. As such, it is neither concave nor convex.
The Rear view mirrors are convex The Headlights are concave
concave
Rectangle
concave
concave
A trapezoid is convex.