JEE Mains · Maths · STD 12 - 10. vector algebra
If \(\mathrm{A}(1,-1,2), \mathrm{B}(5,7,-6), \mathrm{C}(3,4,-10)\) and \(\mathrm{D}(-1,-4,-2)\) are the vertices of a quadrilateral \(\mathrm{ABCD}\), then its area is :
- A \(12 \sqrt{29}\)
- B \(24 \sqrt{29}\)
- C \(24 \sqrt{7}\)
- D \(48 \sqrt{7}\)
Answer & Solution
Correct Answer
(A) \(12 \sqrt{29}\)
Step-by-step Solution
Detailed explanation
\( \mathrm{A}(1,-1,2) \) \( \mathrm{B}(5,7,-6) \) \( \mathrm{C}(3,4,-10) \) \( \mathrm{D}(-1,-4,-2) \) Area…
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