0
Pi is the ratio of the circumference of a circle to its diameter.
Wiki User
∙ 13y ago
Add your answer:
Earn +20 pts
Why is pi not a rational number?
That's just the way it worked out. Pi is the ratio of the circumference of a circle to its diameter, and it just worked out that this ratio is an irrational number.
What is the ratio of volume of a cone to the volume of a cylinder with same ratio?
It is 3:1. This is because volume of a cone is pi/3*r*r*h while vol of a cylinder is pi*r*r*h.
Is pi an irrational or a rational number?
Pi is an irrational number. A rational number is one that can be expressed as a fraction (or ratio), e.g. 1/3. There are fractions that are near Pi, for example: 22/7 = 3.142857 (PI = 3.14159265...) A closer fraction is: 355/113 = 3.14159292 However whatever fraction you have, you will never get exactly PI. Hence it is irrational See the links for proofs that pi is irrational.
What is an example of an irrational number?
Pi, the numerical value of the ratio of the circumference of a circle to its diameter.
Why pi is irrational number?
First of all you need to understand how did Pi come up. consider a cake that you bought and then you cut it in 7(or more) diameters. Then you take those separate "pastries" and then arrange such that it represents like a crocodile teeth. (Trying my best to graphically represent it:) VAVAVAVAV.. Q: Now what is a circumrence? A: diameter times pi. the circumfrence(C) of the circle is represented here in dots(..) .................... :VAVAVAVAV: `````````` so C= p*d (p=pi) therefore, p=C/d Hence, Pi is nothing but a ratio (that is a fraction) And the ratio of the dots above(circumference) to the sum of the V's and A's lengths is never perfect. Hence it is irrational.
What is Pi in mm?
Pi is a unitless number, not a distance. Pi is a ratio it has no dimensions. Pi is the ratio of the circumference of a circle to its diameter.
How many degrees are in pi?
There are no degrees in pi, it is a ratio.
Why is pi used in circle?
Because the ratio of the circumference of any circle to its diameter is pi.
What is the ratio between radius and area for a circle?
There is no direct ratio. The area is related to the square of the radius by the factor "pi." A = (pi) r2 (Pi is about 3.1416)
What do we call the ratio of a circle's circumference to its diameter?
Pi is the ratio of circumference to diameter. C/d=pi always!!!
The ratio of a circle circumference to its diameter?
C = pi x D is the ratio of a circle's circumference to its diameter.
What is the ratio of PI circles?
In a circle Pi it the ratio of the circumference to the diameter. That is to say, if C is the cirumference and D is the diamter of any circle, we have: Pi=C/D
How is pi caculated?
Pi is the ratio of the circumference of a circle to it's diameter,
What is the ratio of a Pi circle?
The value of pi in a circle is: circumference/diameter
What are the causes of pi?
Pi is caused by the ratio of a circle's circumference to its diameter.
Is the ratio of the circumference and diameter of a circle is an irrational number?
That's the number pi, and yes, it is irrational.
Ratio of circumference of a circle to its diameter?
The ratio is pi, a transcendental number, which is a subset of irrational numbers. pi is approximately equal to 3.14159
