SOLUTION: in complex plane, what is the distance of two complex numbers Z1=-i and Z2=2?

Algebra ->  Complex Numbers Imaginary Numbers Solvers and Lesson -> SOLUTION: in complex plane, what is the distance of two complex numbers Z1=-i and Z2=2?      Log On


   

Question 1004372: in complex plane, what is the distance of two complex numbers Z1=-i and Z2=2?
Answer by fractalier(6550) About Me  (Show Source):
You can put this solution on YOUR website!
It is their Pythagorean distance...
c^2 = a^2 + b^2
c^2 = (-1)^2 + 2^2
c^2 = 5
c+=+sqrt%285%29