A pyramid.
It can be a triangular based pyramid
3-dimensional shapes made by extruding a polygon are called prisms.In this instance it would be a triangular prism.
A geometric figure with a polygonal base and triangular sides is called a pyramid.
A polygon is a 2-dimensional figure, a solid is 3-dimensional.
No. A polygon is a 2-dimensional figure. A polyhedron is 3-dimensional.
A hexagon is a 2-dimensional figure with six sides. In general, a 2-dimensional figure with many sides is called a polygon.
Every polygon is 2-dimensional.
A polygon is a Two dimensional figure that is closed.
No. A polygon is a plane figure - i.e. it is 2-dimensional A cone is a solid figure - i.e it is 3-dimensional
A three dimensional triangular figure with three faces and a base is called a triangular pyramid. It has four vertices, four faces, and six edges.
No.
Do you mean a polygon? A polygon is a two-dimensional figure.