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Earn +20 ptsQ: What ratio does pi come from?
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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.
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
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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