# IIT JEE 1983 Maths - 'Adapted' - FIB to Single-Digit Integer Q4

Geometry Level 4

The area of the triangle whose vertices are $$A(1, -1,2)$$, $$B(2, 1,-1)$$, $$C(3, -1,2)$$ is $$A$$ sq. units. Find $$\lfloor A\rfloor$$.

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