Q. 23
Mark (√) against A. 
sq units
B. 
sq units
C. 
sq units
D. none of these
Answer :
Given - Two diagonals of a || gm are represented by the vectors
and 
To find – Area of the parallelogram
Formula to be used - 
where 
and 
Tip – Area of ||gm 
and magnitude of a vector 
is given by 
Hence,
i.e. the area of the parallelogram = 
sq. units
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