Calculating Minds
Let’s say you’re sitting around one evening cruising the Internet when you have the sudden urge to know the area of a circle with a 14.5 inch (or centimeter) diameter. I know — it happens to me all the time.
The formula is simple enough: A = π r²
A is the area, π is 3.14159265 (sort of), and r is the radius of the circle (half of…
