MINI #43 - USING SIMILARITY TO SOLVE GEOMETRY PROBLEMS Plane Geometry Proportional Reasoning Solid Geometry Video by Art of Problem Solving's Richard Rusczyk. Read More
FAMILY VACATION Probability, Counting and Combinatorics Proportional Reasoning When packing for her family’s trip, Miranda didn’t want to bring a lot of extra clothes, so she packed 4 shirts, 2 pairs of shorts and 1 skirt (all of which coordinate). If an outfit consists of a... Read More