distance between (2sqrt(6), sqrt(5)) and (-sqrt(6), sqrt(5))
(2sqrt(6), sqrt(5)) and (-sqrt(6), sqrt(5))
D = sqrt [ (2sqrt(6) - -sqrt(6))^2 + (sqrt(5) - sqrt(5))^2 ] =
sqrt[(3sqrt(6))^2 + 0^2] =
sqrt[3sqrt(6)]^2 =
3sqrt(6) = about 7.35 [rounded to hundredths]