No because 15 times pi is an irrational number
No, it is not.
No, it is not.
Any multiple of or addition to or subtraction from PI is an irrational number. PI divided by PI is 1, a rational number. So is PI times 0 = 0
Well, (pi) x (1/pi) = 1 .
No because the value of pi as regards to a circle is an irrational number
No, it is not.
No, it is not.
No, it is not.
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.
Any multiple of or addition to or subtraction from PI is an irrational number. PI divided by PI is 1, a rational number. So is PI times 0 = 0
No; since pi is irrational if you multiply it by a rational number it is still irrational
Well, (pi) x (1/pi) = 1 .
(pi) itself is an irrational number. The only multiples of it that can be rational are (pi) x (a rational number/pi) .
No because the value of pi as regards to a circle is an irrational number
3.14 is a rational number pi is not. pi is not 3.14
Any number times pi is irrational.
3 times pi is an irrational number because it can't be expressed as a fraction