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

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

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