what is meaning of π Please tell
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the answer is Pie π
π = 22/7
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The number π The number π is a mathematical
constant. It is defined as the ratio of a circle's
circumference to its diameter, and it also has
various equivalent definitions. It appears in many
formulas in all areas of mathematics and physics.
The earliest known use of the Greek letter π to
represent the ratio of a circle's circumference
to its diameter was by Welsh mathematician
William Jones in 1706. It is approximately equal
to 3.14159. It has been represented by the Greek
letter "π" since the mid-18th century, and is
spelled out as "pi".
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