I'm late Employee 1: Sorry I’m late. I got stuck in an elevator for 4 hrs. Because of a power failure.
Employee 2 :That's alright, me too I got stuck on the escalator for 3Hrs.
The value of "pi" was first calculated by the Indian Mathematician Budhayana, and he explained the concept of what is known as the Pythagorean Theorem. He discovered this in the 6th century, long before the European mathematicians.
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