1 Right-angle prisms Right-angle prisms are triangular prisms that have a 90-degree angle between two of their faces. They can be used to deflect light by 90 degrees or to invert or reverse an image.

Understanding Triangular Prisms First, let’s understand what a triangular prism is. A triangular prism is a three-dimensional geometric figure that has two congruent and parallel triangular bases on ...

Object Details maker's teacher Wheeler, Albert Harry math student Tibbetts, R. Description This wooden model shows a triangular pyramid with three small triangular prisms emerging from one side. These ...

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 ...

One important “fact of life” when modeling motion, especially when it comes from real location-in-time data sources, is the uncertainty of the objects' whereabouts at a given time instant. Different ...