OFFSET
1,1
COMMENTS
Area of the obtuse scalene triangle with sides of lengths 2, 4 and 5. Second smallest area of triangle with distinct integer sides.
EXAMPLE
3.79967103839266590791718605150991125939558161542555907919914059630091...
MATHEMATICA
a=2; b=4; c=5; s=(a+b+c)/2; area=Sqrt[s*(s-a)*(s-b)*(s-c)]; RealDigits[N[area, 200]]
RealDigits[Sqrt[231]/4, 10, 120][[1]] (* Harvey P. Dale, Apr 08 2018 *)
CROSSREFS
KEYWORD
nonn,cons
AUTHOR
Vladimir Joseph Stephan Orlovsky, Jun 25 2010
STATUS
approved