When Pi Approximation Day is observed?
When Pi Approximation Day is observed?
A. 20 July
B. 21 July
C. 22 July
D. 23 July
Explanation:
Pi Approximation Day is observed on 22 July reach year to celebrate the usage of the mathematical constant π (pi). Pi Approximation Day is also known as Casual Pi Day. Pi (π) was known and used ancient times approximated for almost 4000 years. The ancient Babylonians also calculated the area of the circle by taking three times the square of its radius which gave the value of pi equals to three.
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