STEP 1 - WRAP RIBBON: Take the ribbon and wrap it around a glass. Mark where the ribbon overlaps itself. Image caption, STEP 2 - CUT CIRCUMFERENCE: Cut the ribbon at the point where it overlaps. You ...

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 ...

Beth Py-Lieberman - Author, The Object at Hand: Intriguing and Inspiring Stories from the Smithsonian Collections Every year, the celebration of Pi Day (March 14 is 3.14) grows more ambitious. Math ...

There are certain ACT and SAT questions that consistently stump students. The question below is a geometry question from the ACT that students often have a hard time solving. It asks you to find the ...

Introduction Mathematicians get excited about the discovery of mathematical relationships. They look at the world around them in terms of numbers, formulas and equations. Mathematics is fun and ...

MATHEWS, G. A Triangle that gives the Area and Circumference of any Circle, and the Diameter of a Circle equal in Area to any given Square. Nature 93, 110 (1914 ...

Everybody knows the value of pi is 3.14…er, something, but how many people know where the ratio came from? Actually, the ratio came from nature—it’s the ratio between the circumference of a circle and ...

So you have a circle. What is the area of that circle? Surely everyone remembers that the area of a circle is: Where Pi (π) is of course the number and r is the radius of the circle. Where does this ...