Question 384082: What is the area of the circle if XY= 10 Ft?
Answer by Jk22(389)   (Show Source):
You can put this solution on YOUR website! XY is the equation for an hyperbola
It's known that one can pass from hyperbolic to euclidean geometry via usage of complex number :
let
X=a+ib
Y=a-ib
then XY=a^2-aib+aib+b^2=a^2+b^2=10, hence it's a circle in the complex plane with radius sqrt(10)Ft.
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