Convex mirrors:

Question

Many large vehicles have curved, convex mirrors. Convex mirrors allow drivers to see a wider area than flat mirrors. However, they also make objects seem smaller and farther away than they really are.

Accepted Answer

Can be helpful to see a wider area.

Answer

Cannot be used on vehicles transporting hazardous materials.

Answer

Can replace flat mirrors.

Answer

Are illegal to be used in most states.