When working with circles it is important to recognise and be able to name different parts of the circle. A segment of a circle is an area enclosed by a chord and an arc. What is the name given to a ...

One of my favorite holidays is Pi Day. On March 14, people who love the math constant called pi celebrate by eating the other kind of pie. Like apple pie, pumpkin pie and even pizza pie. I talked ...

Here's a funny story. A reporter at National Geographic wanted to find someone to interview about pi—that number you learned in grade school that is the ratio between a circle's circumference and its ...

No number can claim more fame than pi. But why, exactly? Defined as the ratio of the circumference of a circle to its diameter, pi, or in symbol form, π, seems a simple enough concept. But it turns ...

Today marks National Pi Day in the United States and around the world. The holiday commemorates a timeless symbol beloved by many in mathematical and scientific communities, while making the most of ...

March 14 is Pi Day, a chance for people around the world to celebrate everyone's favorite mathematical constant "π" (pronounced like the word "pie.") Pi is an incredibly important number in many ...