They need not be. A unit circle inside a square with sides of 2 units, for example, occupies 25*pi per cent of the area. But 25*pi is not a rational number.
Chat with our AI personalities
Decimal, percent, fraction, and words
It is rational number because 2.20% is the same as 0.022 which as a fraction in its lowest terms is 11/500 and only rational numbers can be expressed as fractions.
The question cannot have a proper answer because it is based on a lack of understanding of a percent or of rational numbers or both.For example, an arc of length 1 unit is (50/pi) % of the circumference of a unit circle. The percentage is very definitely not rational.
All rational numbers are real numbers.
yes * * * * * No. Rational and irrational numbers are two DISJOINT subsets of the real numbers. That is, no rational number is irrational and no irrational is rational.