Pi Formula: The Halfman Cometh
Viète's infinite product of nested square roots of 1/2, as 'The Halfman Cometh.'
Use this cartoon
Free for classrooms, worksheets, slides and other non-commercial use under CC BY-NC 4.0, with credit to Ben Orlin.
Cartoon by Ben Orlin, Math with Bad Drawings. https://cartoons.mathwithbaddrawings.com/2016-03-14-pi-formula-the-halfman-cometh/ (CC BY-NC 4.0)Transcript
"The Halfman Cometh" [a small figure] "never underestimate what half a man can demonstrate…" π = 2 / (√½ · √(½ + ½√½) · √(½ + ½√(½ + ½√½)) · …)