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 ...

A two-dimensional or 2D shape is made up of lines ... Why not try drawing a picture using only straight lines. A triangle has 3 sides and 3 vertices (corners). A vertex is where two lines meet ...

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 ...