a trapezuim
A pyramid is constructed from a square base (having four corners) and four triangles, rising from each side of the square with their tips meeting at one point. These five two-dimensional shapes form the faces of the three-dimensional shape of the pyramid, that therefore has five vertices (at the four corners of the square and at the point where the triangles meet).
The figure that has 4 sides and 3 corners is a triangle-shaped figure that has one of its corners truncated or cut off. This figure is called a "truncated triangle" or a "triangle with a missing corner" and has a unique shape that can be used in geometric and mathematical applications.
hexagon
A cube is one
a trapezuim
May be a pyramid.
A pyramid is constructed from a square base (having four corners) and four triangles, rising from each side of the square with their tips meeting at one point. These five two-dimensional shapes form the faces of the three-dimensional shape of the pyramid, that therefore has five vertices (at the four corners of the square and at the point where the triangles meet).
There is no such thing. For any shape, you can always imagine a shape that has one more corner.
The figure that has 4 sides and 3 corners is a triangle-shaped figure that has one of its corners truncated or cut off. This figure is called a "truncated triangle" or a "triangle with a missing corner" and has a unique shape that can be used in geometric and mathematical applications.
hexagon
Arizona, Utah, Colorado, and New Mexico all touch at one point, known as the Four Corners.
4 faces 12 corners i think thats right... ;]
A sphere.
A cube is one
There is not a shape with the most corners. You could always "one-up" the last shape. It is like with numbers, there is not a highest number, but instead there is infinity.
Many shapes with three or more corners satisfy the condition. All triangles have 3 corners but not such that they are all equal. One which does is the equilateral triangle. A square and rectangle each have four corners, and by definition also have at least 3 equal corners. A trapezoid and parallelogram each has four corners but have pairs of obtuse and acute angles and so cannot satisfy the condition.