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Grade: 12

                        

Please tell me the proof of the pi(p).

6 years ago

Answers : (2)

nkhlshd
12 Points
							can please elaborate on what you want to prove ?
						
6 years ago
ruchi yadav
askIITians Faculty
27 Points
							Succinctly, pi--which is written as the Greek letter for p, or--is the ratio of the circumference of any circle to the diameter of that circle. Regardless of the circle's size, this ratio will always equal pi. In decimal form, the value of pi is approximately 3.14. But pi is an irrational number, meaning that its decimal form neither ends (like 1/4 = 0.25) nor becomes repetitive (like 1/6 = 0.166666...). (To only 18 decimal places, pi is 3.141592653589793238.) Hence, it is useful to have shorthand for this ratio of circumference to diameter. According to Petr Beckmann'sA History of Pi, the Greek letterwas first used for this purpose by William Jones in 1706, probably as an abbreviation of periphery, and became standard mathematical notation roughly 30 years later.

Thank You
Ruchi
Askiitians Faculty

6 years ago
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