Tham KY's answer to Syazwan Roslee's Junior College 1 H1 Maths question.

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Tham KY
Tham Ky's answer
6052 answers (Tutor Details)
1st
Your friend forgot to half the magnitude of the cross product. Without the half, it is the area of parallelogram. I do not know how you got your answer...
Syazwan Roslee
Syazwan Roslee
6 years ago
Oh yeah..i square root it wrongly..anyway thanks