Create dynamic drawings on isometric dot paper. Draw shapes using edges, faces, or cubes. Shift, rotate, color, and view in 2‑D or 3‑D. Start by clicking on the cube along the left side; then, place cubes on the grid where you would like them.
When two triangles are similar, the reduced ratio of any two corresponding sides is called the scale factor of the similar triangles. What does that mean? Watch this video about the king's decision to partition his land to understand more about scaling and similarity.
What do Euclid, 12-year-old Einstein, and American President James Garfield have in common? They all came up with proofs for the famous Pythagorean theorem, one of the most fundamental rules of geometry.