a vertex
The corner on a shape where edges meet is called a vertex.
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.
The hexagon has six corners and six sides.
Triangle means 3 angles. No other shape exists and any three angle shape is a triangle
The corner on a shape where edges meet is called a vertex.
square
Sphere.
A right angle.
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?
The hexagon has six corners and six sides.
That would usually be referred to as a vertex.
triangle
The Atlas Mountains.
A teardrop shape?