SOLUTION: |9-12i|
|15-20i|
|8+15i|
Algebra.Com
Question 40134: |9-12i|
|15-20i|
|8+15i|
Answer by fractalier(6550) (Show Source): You can put this solution on YOUR website!
In each case, |x + yi| = sqrt(x^2 + y^2), so
|9-12i| = sqrt(81 + 144) = 15
|15-20i| = sqrt(15^2 + 20^2) = sqrt(625) = 25
|8+15i| = sqrt(64 + 225) = sqrt(289) = 17
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