What is the area of the triangle whose vertices are `(0, 0, 0), (1, 2, 3)` and `( -3,- 2, 1)`?

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Q 2349423313.     What is the area of the triangle whose vertices are
`(0, 0, 0), (1, 2, 3)` and `( -3,- 2, 1)`?
NDA 2013 Paper 1
A

`3 sqrt(5)` sq units

B

`6 sqrt(5)`sq units

C

`6` sq units

D

`12` sq units

HINT


Solution
(Provided By a Student and Checked/Corrected by EXXAMM.com Team)

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