https://docs.google.com/document/d/1M5-FUj25xEsCA2WrOeYQorBGuz6RIwehrjB5qUc-mMA/edit?usp=sharing
Geometry: Development of Distance formula using GeoGebra examples
c2 = (x2 - x1)2 + (y2 - y1)2
Geometry Lab: Ratios
