Three cones can fit inside a cylinder of the same diameter and height. Remember the volume of a cylinder is \(\pi r^2 h\). The volume of the cone is one third of the volume of the cylinder ...

The opposite faces of a cuboid are the same sized rectangles, so find the total area of the three different faces, then double to find the total surface area. The area of the three faces is \(12 ...

Visualizing three-dimensional objects presented on the flat surface of a piece of paper or computer screen is challenging for many of us. For people with math disabilities this sort of spatial ...