Why is "pie" or 22/7 a irratianal number????
Asked by | 27th Mar, 2008, 09:50: PM
Since rational numbers can be expressed in the form 'p/q'and irrational numbers cannot..
Therefore, 2.5 is a rational number because it can be expressed as '5/2', and both 5 and 2 are whole numbers.
The value pi is indeed defined as 'the circumference of a circle divided by the diameter of that same circle', but pi is irrational because the properties of a circle mean that at least one of these numbers is not whole. This condition alone does not prove that pi is irrational, but it turns out that it is impossible to find integer values for p and q such that pi can be written as 'p/q'
Answered by | 28th Mar, 2008, 01:18: PM
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