Let's face it: drawing circles is hard. Our minds are programmed to love the symmetry of the shape, but our hands just can't make it perfect. We're so inadequate at drawing circles, scientists have ...

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 ...

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 ...