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Earn +20 ptsQ: What ratio does pi come from?
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How come 3.14 become pi?
pi is the ratio of a circle's circumference to diameter, and that number just happens to be, always, 3.14159.... for an infinite number of digits
How did pi come about?
It was inititially recognised as the ratio between the radius and circumference of a perfect circle. The radius times "Pi" equals the circumference of a perfect circle.
What is the ratio between radius and area for a circle?
There is no direct ratio. The area is related to the square of the radius by the factor "pi." A = (pi) r2 (Pi is about 3.1416)
Why is pi used in circle?
Because the ratio of the circumference of any circle to its diameter is pi.
The ratio of a circle circumference to its diameter?
C = pi x D is the ratio of a circle's circumference to its diameter.
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