Showing posts with label Approximate PI Evaluation. Show all posts
Showing posts with label Approximate PI Evaluation. Show all posts

Sunday, January 17, 2016

Approximate PI Evaluation by Dividing by Five Sherif Monem

PI =3 + 0707/5  = 3.1414 instead of 3.1415

Another approach



PI = 3 + .5658 /4 = 3.14145

 3 + .1414598 = 3 + .77299 / 5

tangent approach

2 + 2*tan( 29.7146)= 3.1414554

 A photograph of the Greek letter pi, created as a large stone mosaic embedded in the ground.
The constant π is represented in this mosaic outside the Mathematics Building at the Technical University of Berlin.





A diagram of a square and circle, both with identical area; the length of the side of the square is the square root of piPI = 3 + .5658 /4 = 3.14145