3.1459/it
2556998512545123113
The circumference of a circle of 7 inches is: about 21.99 inches. You can easily do this calculation for other circles by multiplying the diameter by Pi (about 3.1416).
It is estimated that 2000000000 Earths could fit inside VV Cephei How do we know? It is known that one million Earths could fit inside the Sun, and VV Cephei is estimated at 2000 times bigger than the Sun.
The circumference of a circle: C = 2(pi)r The area of a circle: A = (pi) r^2 C = 25.12 cm 2(pi)r = 25.12 cm r = 25.12/[2(pi)] r = 12.56/pi r^2 = 157.7536/pi^2 So, A = (pi)r^2 A = (pi)(157.7536/pi^2) A = 157.7536/pi A = 50.22 cm^2 (approximately)
pi * diameterwhere pi = 3.14155*d
(an example - not an answer) Which is correct? the 2nd or 3rd number for Pi?: 1. Pi = 3.141592653589793238 (more Pi) 2. Pi = 3.141592654... 3. Pi = 3.141592653...
Archimedes
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Archimedes
M.C. Ethster
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According to most news sources (and Wikipedia), the most accurate calculation of pi currently stands at five trillion digits (5,000,000,000,000 digits!) That's quite a lot.
In recent history (the last decade) most of the records for the calculation of pi to high precision have been performed by Yasumasa Kanada working with his research team at the Information Technology Center of the University of Tokyo. The current record is 1.2411 trillion digits calculated in 2002.
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