triangle
Many 3d shapes have a corner.
A shape with one corner is a triangle. Yes, I know, technically it has three sides, but it only has one corner. So, there you have it, a triangle is the shape you're looking for.
Wich 3 D shape has a corner on it?
A teardrop shape?
A diagonal.
The corner on a shape where edges meet is called a vertex.
Any polyhedron.
Possibly a cone
rectangle. * * * * * Since a rectangle is NOT a 3-D shape, the answer is clearly wrong. Many 3-d shapes have a corner.
a ertex
a square
I think you can tell if a shape has a square corner by seeing if the corner has a 90 degree angle. If it is 90 degress than it is a square corner.