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Where does the 3.14 for pi come from?
3.14 is short for pi. Pi can go on forever and ever. It's just a rounded number of pi to make things easier to understand.
What is a short number for pi?
It is 3.142 rounded to 3 decimal places
How do you get he circumference of a circle?
To get the circumference of a circle first you have to find the diameter of the circle and multiply the diameter by Pi (3.14 in short). so it is the diameter * Pi.
Write a short note on the history of pi?
The history of pi dates back to ancient civilizations, such as the Babylonians and Egyptians, who approximated the value of pi. The first accurate calculation of pi was made by the Greek mathematician Archimedes in the 3rd century BC. The symbol for pi was introduced by the Welsh mathematician William Jones in the 18th century, and it has since become one of the most important mathematical constants in mathematics.
Why is the pi symbol used instead of the numbers?
Pi is an irrational number, can not be represented as a fraction or repeating or terminating decimal, therefore to write it as a number it must be rounded off or estimated. Many formulas can cancel or reduce out the value for pi and make for short work of the number.
