Explore spreads from a linear algebra perspective in this 20-minute mathematics video. Delve into dot products and cross products of planar vectors, and learn how quadrance and spread are defined using dot products. Discover the relationship between dot products and perpendicularity, and encounter the fascinating trilogy of blue, red, and green dot products. Gain valuable insights into determinants and chromogeometry while building upon previous knowledge of spreads and rational trigonometry.