Math — Area & Volume Formulas

digraph Geometry {
  rankdir=LR;
  node [shape=box, style=rounded];
  Circle -> "Area = pi r^2";
  Triangle -> "Area = 1/2 b h";
  Sphere -> "Volume = 4/3 pi r^3";
  Cylinder -> "Volume = pi r^2 h";
  Cone -> "Volume = 1/3 pi r^2 h";
}