Triangular prisms have 5 flat faces. 2 are triangle shaped and 3 are rectangle shaped. Everyday things that have the shape of a triangular prism include a tent and a slice of cake.

A pyramid is made up of a polygonal base face and triangular faces that meet at a point called the apex. A pyramid is named by the shape of its ‘base’. A pyramid with a triangular base is a ...

Object Details maker Ross, W. W. Description This is the ninth in a series of models illustrating the volume of solids designed by William Wallace Ross, a school superintendent and mathematics teacher ...

Tibbetts, R. Description This wooden model shows a triangular pyramid with three small triangular prisms emerging from one side. These form, together with the pyramid itself, three stacked triangular ...