The area (in sq. units) of the triangle formed by the points A(1,1,2),

1.	The area (in sq. units) of the triangle formed by the points A(1,1,2),B(2,3,5),C(1,15,5) is
Answer» The area (in sq. units) of the triangle formed by the points $A (1, 1, 2), B (2, 3, 5), C (1, 15, 5)$ is

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