- General Math
- Sequences, Series and Patterns
- Number Theory
Video by Art of Problem Solving's Richard Rusczyk.
- General Math
- Percents and Fractions
- Problem Solving (Misc.)
Kyra’s school building this year was overcrowded due to a lot of new registered students. Classroom space was a real issue. In looking ahead to next year, the administration figures that if teachers...
- Plane Geometry
Video by Art of Problem Solving's Richard Rusczyk.
- Plane Geometry
Animation Type: White Board. Original Handbook Problem: The circle shown has a diameter of 12 inches, m<ABC = 30 degrees and AB = BC. What is the length of minor arc AC? Express your answer in terms...