Quick
pi - For any circle, the circumference over the diameter = 3.14 = pi = π.
Equations
Nomenclature
d | diameter |
c | circumference |
rev | revolutions |
rad | radians |
° | degrees |
Details
The significance of pi, π, being equal to 3.14... is that for any circle, the circumference over the diameter equals 3.14....
Therefore:
or:
Try it with a string and a can.