Class 12 Three Dimensional Geometry · Mcq Single Correct1 Markscross_product_area
Class 12 Maths · Three Dimensional Geometry · Mcq Single Correct #15
Find the area of quadrilateral A(0,4,1), B(2,3,−1), C(4,5,0), D(2,6,2).
✅ Step-by-Step Solution
Final Answer: Option (A): 9
- A+C=B+D, so it is a parallelogram. AB×AD=(3,−6,6), whose norm is 9.
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