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-- Draw a circle.
-- Put a mark at the center, and draw a line across the whole circle through the center.
-- Measure the length of the curved line all around the circle. (called the "circumference" of the circle)
-- Measure the length of the straight line across the circle. (called the "diameter" of the circle)
If you divide the circumference by the diameter, the result is 'pi'.
It doesn't matter how big or how small the circle is. The result is always the same.
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What does pi means in mathimthics?
If you draw a circle and then create a square around it so all four sides touch, pi is the number that represents the ratio of the sizes of the two shapes.
What does pi square mean?
It means pi to the power of two. pi square = pi * pi
Where was pi found?
The value of pi is found by dividing the circumference of a circle by its diameter and pi is an irrational number which means it can not be expressed as a fraction.
What is the fifteenth digit of pi?
the answer to that is easy pi equals 3.141592654 so that means the fifth number is 5
What does a circle have to do with a pi?
Most pies are circular. Okay, that was a cheap joke. The actual answer is that pi is the ratio of the diameter of a circle to its circumference. That means it shows up a lot in equations involving circles and circular things. It also shows up in a lot of places you might not initially expect. For example, the sum of the infinite series 4 - 4/3 + 4/5 - 4/7 +4/9 ... is Pi.
