No, since Pi is an irrational number, 2(pi) would still be irrational.
I assume you mean 2 times pi. Since pi is irrational, 2 pi is also irrational.
pi, or the square root of 2.
Yes, 3.14/2 is a rational number. 3.14/2 = 1.57 1.57 = 1 57/100 = 157/100. Do not confuse this with pi, which is 3.14159..., which is an irrational number.
That simply isn't true. The sum of two irrational numbers CAN BE rational, but it can also be irrational. As an example, the square root of 2 plus the square root of 2 is irrational.
1 + pi, 1 - pi. Their sum is 2.
Yes. 2*pi is irrational, pi is irrational, but their quotient is 2pi/pi = 2: not only rational, but integer.
No. pi/2 is a faction but it is not a rational number.
No. pi/2 is a fraction but, since pi is irrational, so it pi/2.
No, it is not.
No, it is not.
No. sqrt(2)/pi is not rational.
(pi) itself is an irrational number. The only multiples of it that can be rational are (pi) x (a rational number/pi) .
3.14 is a rational number pi is not. pi is not 3.14
If you multiply or divide an irrational number - such as pi - by ANY rational number (except zero), you will ALWAYS get an irrational number.
A rational number is a fraction with an integer in the numerator, and a non-zero integer in the denominator. If you consider pi/2, pi/3, pi/4 (common 'fractions' of pi used in trigonometry) to be 'fractions', then these are not rational numbers.
pi, or the square root of 2.
A real number dosen't have to be a rational number as a real number can be rational or irrational i.e the root of 2 is irrational and real. So is (pi).
Pi is irrational.