SPECIAL RIGHT TRIANGLES Algebraic Expressions and Equations Plane Geometry Mathletes will become familiar with properties of 45-45-90 and 30-60-90 triangles. In this plan, the relationships between the sides of these two special right triangles will be derived. Then... Read More
MINI #11 - TANGENT SEGMENTS & SIMILAR TRIANGLES Plane Geometry Proportional Reasoning Video by Art of Problem Solving's Richard Rusczyk. Read More
MINI #61 - MORE ALGEBRA STRATEGIES Algebraic Expressions and Equations Video by Art of Problem Solving's Richard Rusczyk. Read More
MINI #94 - MAKE A SKETCH Algebraic Expressions and Equations Plane Geometry Problem Solving (Misc.) Video by Art of Problem Solving's Richard Rusczyk. Read More