No
yes concave is like a cave
A geometric star shape is concave. A star that is in the sky is convex.
no
Depends on a concave what. There can be infinitely many right angles in concave shape that keeps going in and out before returning to its starting point.
no concave mirror is in shape of concave mirror
No, sheep eyes are not concave. Sheep eyes have a relatively flat shape compared to concave shapes.
No
A spoon is concave, as its bowl-like shape curves inward. This concave shape allows the spoon to hold and scoop up food effectively.
yes concave is like a cave
A geometric star shape is concave. A star that is in the sky is convex.
A concave circle
no
An arrow can have both concave and convex surfaces, depending in its design.
No, a diamond is not concave. Diamonds have a faceted structure with flat surfaces called facets, rather than a concave shape.
convex
a figure or shape that curves in not out