How is pi considered a letter? let alone a lowercase letter.
2006-09-11 17:22:38 · 4 answers · asked by newyorktocountry 2 in Science & Mathematics ➔ Mathematics
pi=3.14159265358979323846.
It is defined as the ratio of the circumference of a circle to its diameter. It comes into play in everyday life in terms of trigonometry, calculus, and almost any field of mathematics
pi is considered a letter because it is represented by the greek letter pi. The letter form of it is used such that we don't have to deal with plugging in the 3.1415.... into each equation that relies on it. Thus we are left with a simple variable that can be manipulated
2006-09-11 17:27:55 · answer #1 · answered by priestlake22 2 · 1⤊ 0⤋
pi has a symbol to represent it. Since it can't be drawn on this, here is what is looks like: http://www.kingphilip.org/kphigh/math/Assets/pi.gif
Pi is important in circles. It is needed to find the circumfrence and the area of a circle. Area = pi X r^2
2006-09-11 17:25:43 · answer #2 · answered by Manan T 1 · 1⤊ 0⤋
Pi is the ratio of the circumference of a circle to its diameter
2006-09-11 17:27:33 · answer #3 · answered by Sean06 2 · 1⤊ 0⤋
it is not a letter. it is a number. pi is the greek letter that mathmaticians assigned to him.
2006-09-11 17:41:26 · answer #4 · answered by kacsspock1221 3 · 0⤊ 1⤋