Find the length of the radius of a circle with a center at -7+2i and a point on the circle 33+11i

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asked Sep 18, 2018 85.6k views

2 Answers

Hhbilly · Answer 1 · 2018-09-22T16:17:45+0000

hello :
let : z = -7+2i and z' = 33+11i z - z' = 40 +9 i
the radius of a circle : |z - z' | = √((40)²+(9)²) =√1681 = 41