Pi 22 7 Math
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Therefore 22 7 is used for everyday calculations.
Pi 22 7 math. Archimedes wrote the first known proof that 22. A quick and easy approximation for π is 22 7. Overline 142 857 pi 3 141 592 65 ldots end aligned the approximation has been known since antiquity. π is not equal to the ratio of any two number which makes it an irrational number.
142 857 π 3 141 592 65. Displaystyle begin aligned frac 22 7 3. This video explains the reason for why value of pi 22 7 with geometrical proof. His statement that it is between 223 71 and 22 7 are the first pi ranges used.
But as you can see 22 7 is not exactly right. The 22 7 is now known as the archimedean value. In fact π is not equal to the ratio of any two numbers which makes it an irrational number. A really good approximation better than 1 part in 10 million is.
It is known that pi is an irrational number which means that the digits after the decimal point are never ending and being a non terminating value.
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