The diameter of a hockey puck is three inches (stickshack website). You divide the diameter of three inches by two, and you get a radius of 1.5 inches . KNOWING THE FORMULA FOR AREA AND CIRCUMFERENCE ...

First, we define that the diameter of our wire is taken in thousandths of an inch where one one-thousandth of an inch is called “one mil.” Thus, 0.001 inch = 1 mil, 0.01 inch = 10 mils and so forth.

Forbes contributors publish independent expert analyses and insights. I write about mathematics and its applications The area and perimeter ratios are shown and as n, the number of sides, gets ...