OFFSET
1,2
FORMULA
(distance, (0,0) to (Pi/2,1)) =(1/2)sqrt(Pi/2 + 1)__
EXAMPLE
distance = 1.648454154737807579380294590157594422...
MATHEMATICA
r = N[(1/2) Sqrt[Pi^2 + 1], 120]
RealDigits[r][[1]]
CROSSREFS
KEYWORD
nonn,cons
AUTHOR
Clark Kimberling, Jul 01 2020
STATUS
approved