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Mathematics 9 Online
OpenStudy (anonymous):

If z, iz and z+iz are the vertices of the triangle whose area is 2 units, then the value of modulus of z is

OpenStudy (sirm3d):

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OpenStudy (sirm3d):

\[\frac{1}{2}|z||iz|=2\\|z||i||z|=4\\|z|^2(1)=4\\|z|=2\]

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