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What is an irrational number and why is pi an irrational number?
Wiki User
∙ 12y ago
An irrational number is a real number that cannot be expressed as a ratio of two integers, x and y, where y>0.
In 1761, Johann Heinrich Lambert proved that pi is irrational. His proof and alternatives by other mathematicians can be found at the attached link.
Wiki User
∙ 12y ago
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Is 2 pi a rational number?
No, since Pi is an irrational number, 2(pi) would still be irrational.
Is negative pi rational or irrational?
-Pi is irrational, because it does not terminate or repeat. Whenever you multiply an irrational number by a rational number (-1), the result is an irrational number.
Is pi a recurring decimal a terminating decimal or an irrational number?
Pi is an irrational number
What is pi an irrational number?
Yes, it is an irrational number.
Is pi plus pi a rational or irrational number?
It is irrational, just like pi
Why is 10 pi irrational?
A non-zero rational number (10) multiplied by an irrational number (pi) is always irrational.
Why is PI a rational or irrational number?
pi is an irrational number. It is irrational because it cannot be expressed as a ratio of two integers.
Is the square of pi a rational or irrational nuymber?
The square of pi is an irrational number.
Is the ratio of the circumference and diameter of a circle is an irrational number?
That's the number pi, and yes, it is irrational.
Why the area of a circle with a rational radius must be an irrational number?
It the radius is r then the area is pi*r*r - which is pi times a rational number. pi is an irrational number, so the multiple of pi and a rational number is irrational.
Why is pi a rational number?
Pi is irrational.
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.
