why 22/7 is an irrational number?

Answer 1

22/7 is not irrational pi is irrational(it is ratio of circumference and diameter of a circle) 22/7 is approximate value of pi and not same.

Answer 2

in case you recognize a few trigonometry, we can instruct that pi is decrease than 22/7. Take a circle C of diameter one million. If P is a familiar n-gon circumscribed about C, then both facet of P has length tangent(pi/n). therefore the fringe of P is n*tan(pi/n). because it really is circumscribed about C, the fringe of P is more suitable than the fringe of C, it really is pi. So pi is decrease than n*tan(pi/n). it really is genuine for all integers n=3 or more suitable. in case you install n=ninety one you get that pi is decrease than 3.142841..., it really is decrease than 22/7=3.142857... specifically pi isn't 22/7. Edit: To volter. it really is a robust aspect, that i did not instruct why the circumscribed perimeter should be more suitable. It somewhat receives right down to how one defines the dimensions of a curve; Archimedes addressed it interior excellent right here way. First we outline the idea of a curve being "concave" in a particular route, in that secant strains lie on an similar facet of it. Now assume that we've 2 curves with elementary endpoints that are both concave interior an similar route. Then both are on an similar facet of the instantly line growing to be a member of the factors. Now a line is the shortest distance between 2 factors, so intuitively the curve in route of the line must have shorter length than the different one. The closer one is "in route of being a line". In our party, we take as endpoints the n factors the position the polygon intersects the circle, and look at the arcs to the aspects of the polygon. those are concave interior an similar route and the polygon area is on the different facet from the secant line. a community argument as you advise may artwork even if it provides you a aspect of complexity (what's section? why is the realm of the circle pi r squared?) opposite to my flavor for this difficulty.

Answer 3

7 is not a multiple of 22. The answer is an infinite number, also known as Pi.

Answer 4

On 22.7.2005 very very very very heavy rains occured in Mumbmai and parts of Maharashtra. The water rose to the 1st or 2nd floor in some area. Thousands of people died. More than a week, major partsof Mumbai was closed without buses, train, plains or 'do paiya gadis'

Answer 5

You are probably thinking of 24/7 that would be 24 hours a days- seven days a week.

Answer 6

it's called "pie," it's having a value of ~= 3.14