Arc length is a fraction of circumference. Area of a sector is a fractions of the area of a circle. Both can be calculated using the angle at the centre and the diameter or radius. Practice circle ...

I had never heard the term, “math circle,” until a few weeks ago when I stumbled across an article in The Atlantic about the growing number of American kids excelling in the highest levels of math. It ...

Acing geometry class in golden dreams and a future kalpa. The post Math Puzzle for November 14, 2025 appeared first on ...

It’s 10 a.m. on a Saturday at Cal State Fullerton and students are revved up. It’s Math Circle time. Math Circle is a Saturday program for students in second through 12th grade, most of whom are ...

Revise the different types of angles and rules for calculating angles. This guide includes interactive activities and a quiz. NEW: Angles in parallel lines Revise alternate, correspondent or ...