In math terms, pi, means 3.14, which is a everlasting decimal, that is just rounded to make your math easier.
So pi, means 3.14 in math terms.
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PI is the ratio of the circumference of a circle to the diameter of a circle. The ratio is the same for any size circle. We call that ratio PI. The approximate value of PI is 3.14159265.....
That's the formula for the area of a circle.
Pi is used in the equation to determine the volume of a cylinder with r being the radius and h being the height of the clynder: V = Pi*r2h
Leaving in terms of pi means, through out the whole answer you have the pi symbol when you sub and compute. So basically heres an example: 2pir r=14 2pi14 28pi your answer is 28 with the pi symbol on the right but I dont know how to write it on the computer was that of help?
10001/999900
pi = circumference/diameter circumference = pi*diameter or 2*pi*radius