wy is the name pie π used.
wat was the reason?
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Answer:Name. The symbol used by mathematicians to represent the ratio of a circle's circumference to its diameter is the lowercase Greek letter π, sometimes spelled out as pi, and derived from the first letter of the Greek word perimetros, meaning circumference.
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it is pi . and is used for calculating the circumference and area of a circle . it's value is approximately 3.14
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