circle or sphere.
A circle?
A typical water bottle is in the shape of a cylinder, which has two circular faces and one curved surface. A cylinder has two edges (one for each circular face) and no corners. Therefore, a water bottle has 2 edges and 0 corners.
An irregular blob, an ellipsoid, a sphere, a toroid (doughnut) are some examples.
The faces in a 3-D shape (polyhedron, for example) are bordered by edges.
A hemisphere is half of a sphere. As such it will have two edges. A hemisphere is indeed half of a sphere but only has one edge. i.e. one circular edge.
A hemisphere does not have edges or corners. It has only one face. A hemisphere is one half of a circle.
One possible answer is an infinite cone. Spheres have one face but no vertex. No physical 3-D shape can have a vertex without having more than one face (a real cone typically has two: side and bottom).
It has one face, no corners and one edge. Please if I'm wrong correct me.
One face, zero vertices (corners), zero edges.
A sphere.
A circle?
sphere
A regular dodecahedron, for example. Each face is a regular pentagon so no face has parallel sides. However, the edges on opposite faces are parallel to one another.
A square or rectangular based pyramid is a 3D shape with 5 corners or points. It also has 4 triangular flat flaces, one square/retangular face and 8 straight edges.
square * * * * * A square? It has 4 edges and one face!
If the corners of the top-most face are labelled A, B, C and D then there are four edges, AB, BC, CD and DA. If the corners of the bottom-most face are labelled E, F G and H, then there are four edges, EF, FG, GH and HE. The edges joining the top-most face to the bottom-most face are AE, BF, CG and DH. Making a total of 12 edges.
A typical water bottle is in the shape of a cylinder, which has two circular faces and one curved surface. A cylinder has two edges (one for each circular face) and no corners. Therefore, a water bottle has 2 edges and 0 corners.