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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