Sunday, 11 April 2021

Exercise 39

 

  1. We follow the decimal system number which has 10 digits from 0 to 9. It is also known as the Hindu Arabic numeral system. It was discovered more than 1000 years ago.

  2. Pi is also known as the ratio of circumference to the diameter of a circle. It is a special number that is irrational. There is a designated day, called Pi day, that we celebrate on March 14.

The constant pi

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