It is simply called a face.
The shape described is a triangular prism.
Either a net or a face - it depends on what your question means.
A Pyramid
A sphere, ellipsoid, torus (doughnut), blob - lumpy but with no sharp edges - are some examples.
A face.
It is a face.
It is simply called a face.
An orb - Globe - ball
A rectangular-based pyramid.
The shape described is a triangular prism.
cone
Either a net or a face - it depends on what your question means.
A Pyramid
Any one of the plain surfaces of a solid, three-dimensional shape. Also Called -- side
A square pyramid
A sphere, ellipsoid, torus (doughnut), blob - lumpy but with no sharp edges - are some examples.