a circle ??
A cone perhaps?
its a lens...1 curved edge = a circle, 1 flat surface = back, 1 curved surface = front. (these are used in some battery-less flashlights, as an example.)
A cone would fit the given description
A semicircle is one shape fitting this description.
a circle ??
A cone perhaps?
its a lens...1 curved edge = a circle, 1 flat surface = back, 1 curved surface = front. (these are used in some battery-less flashlights, as an example.)
cylinder??nope
a cone
a sphere
A cone would fit the given description
A cone would fit the given description
A semicircle is one shape fitting this description.
A circle perhaps or maybe a cone
It has 1 edge, 2 faces (one curved and one plane), and 1 vertex.It has 1 edge, 2 faces (one curved and one plane), and 1 vertex.It has 1 edge, 2 faces (one curved and one plane), and 1 vertex.It has 1 edge, 2 faces (one curved and one plane), and 1 vertex.
Sphere, torus, moebius strip