a pyramid yeah
How about a hemisphere ?
How about a cone or a pyramid
Because the base of a cone is round, it is the only three dimensional figure with only one vertex.
A hemisphere is one example.
pyramid or cone
How about a cone or maybe a pyramid
A solid figure with one circular base and one curved surface is called a cylinder. In a cylinder, the circular base is parallel to the other circular base (if there is one), and the curved surface connects the edges of the base, forming a three-dimensional shape. If it has only one base, it can be considered a cone, which has a circular base and a single curved surface that narrows to a point.
The only possible answer is a cone, because they don't have any other flate sufaces.
A 3D shape with one base and three faces can only have triangular faces.
# Square Pyramid # Rectangular Pyramid # Triangular Pyramid
cone; circle is the base
This figure is a CONE.