Le 16/07/2014 22:24, Le_Forgeron nous fit lire :
> My bad, it should have been :
> 
> 2*sqrt(P^2 - (r1-r2)^2)) +2*pi*r2 + (pi+2*asin((r1-r2)/P))*(abs(r1-r2))

Once more... the absolute value was misplaced.

2*sqrt(P^2 - (r1-r2)^2)) +2*pi*r2 + (pi+2*asin(abs(r1-r2)/P))*(r1-r2)

-- 
IQ of crossposters with FU: 100 / (number of groups)
IQ of crossposters without FU: 100 / (1 + number of groups)
IQ of multiposters: 100 / ( (number of groups) * (number of groups))

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