Different Values of Pi
Other then fractions and decimals there are some other values of Pi as well.
Value of Pi in Degree
The value of Pi in degrees can easily be found using the relation, of the ratio of circumference of the circle and the diameter of the circle. We know that the circumference of the circle is 2πr, and the diameter of the circle is 2r where r is the radius of the circle. Also, incase of the complete circle the angle subtended at the centre of the circle is 360°also we have two half circle in a circle that is divided by a diameter.
Now, then the ratio of the circumference and the diameter gives the value of pi.
2πr/2r = 360°/2
π radians = 180°
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Value of Pi
The value of Pi is approximately equal to 3.14159. It is defined as the ratio of circumference of a circle to it’s diameter. If we divide the total circumference of circle with the diameter of circle, then it will always in ratio of 22/7. Pi is denoted by the Greek symbol π.
Its exact value is unknown and can not be calculated by the available means as it is an irrational number, i.e. non-recurring and non-terminating decimal. We define the π as the ratio of the circumference to the diameter of a circle. It is a constant used widely in every branch of Science and Mathematics.
Even if the size of circle is same, the value of Pi will always be same. Finding the exact decimal values of the π is tedious. The value of π up to a million decimal places is found using supercomputers and advanced algorithms. For general use and convenience the value of π in fractions is assumed to be 22/7 and in decimal is assumed to be 3.1415926 . . .
Table of Content
- What is Pi?
- Pi Values in Fraction and Decimal
- Formula of Pi
- How to Calculate the Value of Pi?
- Different Values of Pi
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