A geometric star shape is concave. A star that is in the sky is convex.
Concave, because you can connect the corners from the outside.
concave
A concave line is a line that caves in.
No, you would need at least 4 points to create a concave polygon.
A geometric star shape is concave. A star that is in the sky is convex.
pole is the geometric center of the reflecting surface.
The opposite of convex is concave. Concave shapes have an inward curve, while convex shapes have an outward curve.
Concave, because you can connect the corners from the outside.
Concave is a property of [irregular] polygons. A parallelogram cannot be concave.
no concave mirror is in shape of concave mirror
plano concave
concave=in convex=out
concave
His glasses have a concave lens.
concave
concave