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How do you know pi is irrational?

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Anonymous

13y ago
Updated: 8/20/2019

Because it can't be expressed as a fraction.

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Wiki User

13y ago

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Related Questions

Is pi an irrational or rational number How do you know?

Pi is an irrational number. Johann Heinrich Lambert proved that in the late 18th Century.


Is 2 pi a rational number?

No, since Pi is an irrational number, 2(pi) would still be irrational.


Is pi plus pi a rational or irrational number?

It is irrational, just like pi


Is 3 pi irrational?

Pi, is an irrational number (it cannot be written as a fraction) For this reason, 3 times pi is also irrational.


Can the quotient of any two irrational numbers be irrational?

It can. pi / sqrt(5) = an irrational number. However, it doesn't have to be: pi / pi = 1.


Is pi minus 1 irrational?

Yes, ( \pi - 1 ) is irrational. Since ( \pi ) is known to be an irrational number, subtracting a rational number (1) from it does not change its irrationality. Therefore, ( \pi - 1 ) remains irrational.


Is the square of pi a rational or irrational nuymber?

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Is pi divided by 2 rational or irrational?

If a numerator and/or denominator in a fraction is irrational, the entire fraction is irrational. Since pi is irrational, pi divided by two is also irrational.


Can the quotient of two irrational numbers be rational?

Yes. 2*pi is irrational, pi is irrational, but their quotient is 2pi/pi = 2: not only rational, but integer.


Is π(pi) rational or irrational?

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When Lambert proves pi is irrational?

Johann Lambert proved that pi is irrational in 1761.


What are the factors and prime factors of pi?

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