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pi is an irrational number because it cannot be expressed as a ratio of two integers. In fact, it is a transcendental number, but that is not relevant here.

3.14 is a rational approximation to pi. It is not equal to pi.

Q: Why is pi irrational and 3.14 is rational?

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The square of pi is an irrational number.

No. sqrt(2)/pi is not rational.

pi is an irrational number. It is irrational because it cannot be expressed as a ratio of two integers.

In general, no. It is possible though. (2pi)/pi is rational. pi2/pi is irrational. The ratio of two rationals numbers is always rational and the ratio of a rational and an irrational is always irrational.

3.14 is the ratio of 314 to 100 so it's rational.

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irrational

No number can be rational and irrational at the same time. 3.14 is the ratio of 314:100 and so is rational. HOWEVER, 3.14 is also a common approximation for pi, which is an irrational number. All irrational numbers have infinite, non-recurring decimals and so are often approximated by rationals.

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

It is irrational, just like pi

Pi is not rational it is irrational because it does not stop or repeat

Pi is irrational.

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.

The square of pi is an irrational number.

No, it is not.

It is an irrational number

-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.

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.