MINI #15 - PROBABILITY WITH GEOMETRY REPRESENTATIONS Plane Geometry Probability, Counting and Combinatorics Video by Art of Problem Solving's Richard Rusczyk. Read More
COUNTING SHAPES IN A COMPLEX FIGURE Probability, Counting and Combinatorics This plan will help Mathletes to develop a strategic approach to counting the occurrences of a certain shape in a more complex figure made of multiple intersecting lines. Read More