MINI #18 - AREAS OF IRREGULAR CONVEX POLYGONS Plane Geometry Video by Art of Problem Solving's Richard Rusczyk. Read More
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
MINI #11 - TANGENT SEGMENTS & SIMILAR TRIANGLES Plane Geometry Proportional Reasoning 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
MINI #54 - SIMILAR TRIANGLES Plane Geometry Proportional Reasoning Video by Art of Problem Solving's Richard Rusczyk. Read More
MINI #66 - SIMILARITY AND PROPORTIONAL REASONING Plane Geometry Proportional Reasoning Video by Art of Problem Solving's Richard Rusczyk. Read More
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 #22 - GEOMETRY/30-60-90 RIGHT TRIANGLES Plane Geometry Video by Art of Problem Solving's Richard Rusczyk. Read More
MINI #8 - GEOMETRY/AUXILIARY LINES & SPECIAL RIGHT TRIANGLES Plane Geometry Video by Art of Problem Solving's Richard Rusczyk. Read More
MINI #88 - MORE 30-60-90 RIGHT TRIANGLES Algebraic Expressions and Equations Plane Geometry Video by Art of Problem Solving's Richard Rusczyk. Read More