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What is the relationship between the symbol and word for pi?
pi is the ratio of the perimeter of a circle to its diameter. The Greek letter, pi, is the first letter of the word perimetros (Greek for perimeter).
What is the relationship between the area and the radius?
In relation to the area of a circle: pi*radius^2
Who first used the symbol of pi?
William Jones first used the pi symbol (π) in 1706
What is the retationship between the circumference and the diameter?
What is the relationship between the circumference and the diameter? Answer The circumference divided by pi gives the diameter. d = C / pi An alternate way to express the above answer. For all circles, pi is the ratio of the circumference to the diameter pi = C / d
What does the mathematical symbol for pi mean?
"Pi" is the ratio between the circumference and the diameter of a circle. The Greek letter π (pi) was first adopted for the number as an abbreviation of the Greek word for perimeter (περίμετρος), or as an abbreviation for "periphery/diameter", by William Jones in 1706.
