1.

If \[{{z}_{1}}=1+2i,{{z}_{2}}=2+3i,{{z}_{3}}=3+4i,\] then \[{{z}_{1}},{{z}_{2}},{{z}_{3}}\] represent the vertices of a/an [Orissa JEE 2004]

A. Equilateral triangle
B. Isosceles triangle 
C. Right angled triangle
D. None of these
Answer» E.


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