# A Complex Square Root

Algebra Level 1

What is the imaginary part of $$\sqrt{-169}$$?

Details and assumptions

If a complex number $$z$$ is equal to $$a + bi$$ where $$a$$ and $$b$$ are real numbers and $$i^2 = -1$$ is the imaginary unit, then the imaginary part of $$z$$ is $$b$$ (not $$bi$$).

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