Ahnaf A.

asked • 09/18/15

what is pi ?

same as qs 

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Inactive Tutor answered • 09/18/15

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C is the circumference of a circle. d is its diameter. C / d = π
π is a non-terminating, non-repeating decimal. It cannot be represented as the ratio of two integers.
To five decimal places 3.14159.
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With problems having "magic numbers" (numbers that make the math really easy) like finding the circumference of a circle with radius 7, you may use the estimate for ∏ of (22/7) and quickly move on to the next problem  (note: some tests expect you to do this).
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09/18/15

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