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 ...

Why are there 360 degrees in a circle,” a regular reader once asked me. My first response was to say, “Because Miss Helland ...

A math holiday built around an infinite, never-ending number sounds like a joke—until you realize it’s one of the most widely ...

DRESS MAKER:'OK, I've got to make an outfit for the fashion show and I need to use geometric shapes to help create my design. DRESS MAKER:'So firstly, I need to know what the different lengths of a ...

I've written quite a bit about using Linux to help educate people. In the past, I've discussed using Linux to teach astronomy, programming and computer logic design. So today, I'm writing about using ...