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Mathematics 15 Online
OpenStudy (anonymous):

The points R(0, 2, 4), S(1, 3, 2), and T(-1, 2, 6) form a triangle. What is the area of ABC

OpenStudy (amistre64):

if memory serves, axb gives the area of a parallelagram, so have the magnitude of axb

OpenStudy (amistre64):

*half the mag ...

OpenStudy (haseeb96):

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