There are many options. Some examples:hemisphere,biconvex lens,finite cone.
find the volume & total surface of a square pyramid, the side of the base being 4meters & height 5meters
Keeping a solid roofing layer of shingles is an important way to avoid water damage and effects of rain, snow and hail while providing an attractive crown for the house.
It kind of depends on what you are doing and how you want the finished project to look. As a post with the weight or pressure straight down, it really doesn't make a lot of difference. Any side stress, 3 bolted together would always have more strength because of the different grains in the wood going in different directions. A single solid post can snap if there happens to be a flaw that runs all the way through it.
a triangular prism
If it also has two triangular faces, then a triangular prism. If it has only three rectangualr faces, there is no such shape.
A triangular prism.
The triangular prism has the two triangular bases and rectangular side faces.
A 3D shape with one base and three faces can only have triangular faces.
A triangular prism.
A Triangular Prism
Triangular prism.
a triangular prism
a triangular prism!
a triangular prism.
triangular prism