Class CBSE Class 12 Mathematics Vector Algebra Q #1724
KNOWLEDGE BASED 1 Marks 2026 AISSCE(Board Exam) MCQ SINGLE
Three points $A(0,1,1)$, $B(2,0,-1)$ and $C(1,0,3)$ form $\Delta ABC$. The ar ($\Delta ABC$) is:
(A) $\frac{\sqrt{53}}{2}$ sq. units
(B) $\sqrt{53}$ sq. units
(C) $\frac{\sqrt{11}}{2}$ sq. units
(D) $\sqrt{11}$ sq. units
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