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## Homework Statement

Find the set of points z=x+iy from the complex plane which satisfy this conditions:

a)Re(z)[itex]\leq[/itex]0

b)|z|=3

## Homework Equations

## The Attempt at a Solution

I've solved the first one...

Re(z)=x

so x[itex]\leq[/itex]0

x[itex]\in[/itex](-infinity,0]

But for the second one? Should I find x, y or should I find z?