March 14, 2023 12:02 am
The history of pi dates back to the ancient Babylonians and Egyptians. Babylonians estimated pi as 3.125, and the Egyptians approximated pi to be 3.1605. However, it was the Greek mathematician Archimedes that calculated pi to be between 223/71 and 22/7. A general estimate for pi is 22/7 or 3.14.
In 1706, William Jones was the first to introduce a Greek letter for pi, which was later adopted by the mathematician Euler to represent the ratio between a circle’s circumference to its area. Later mathematicians extended the number of decimal places in this irrational number through rigorous calculations. In the computer age, pi has been estimated to its two-quadrillionth digit.
Some mathematical problems that feature pi are the area of a circle, a circle’s circumference, arc length and the different surface area and volume formulas for a cone, sphere and cylinder. In mathematics, the ratio between a circle’s circumference and diameter is given as pi.
Here is one way that Pi is used in everyday life:
You are making a cake that is to be baked in a 9″ square pan, but you don’t have one. You DO have a 10″ round baking pan. Will it work?
Surface area in square inches in a 9×9 square pan = 81
Surface area in square inches in a 10″ round pan = Pi x the radius squared =
3.14 x 5×5 (25) = 78.5
Close enough!
Posted by Stella
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So it was Archimedes who screwed thing up?
LikeLiked by 3 people
By Gary on March 14, 2023 at 7:14 am
Yes, he was a screwy fellow!
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By Stella on March 14, 2023 at 9:26 am
.
LikeLiked by 5 people
By WeeWeed on March 14, 2023 at 7:35 am
Love Pi(e) Day! Better than May the Fourth (be with you) because today has dessert!
LikeLiked by 4 people
By czarina33 on March 14, 2023 at 9:26 am
I like your example!
LikeLiked by 2 people
By Menagerie on March 14, 2023 at 10:43 am
Thanks! It is something that I have actually done.
LikeLiked by 2 people
By Stella on March 14, 2023 at 11:21 am