Q16 B of 44 Page 1057

Find the area of the parallelogram whose diagonal are represented by the vectors
and

The diagonals are

Thus,

The area of the parallelogram = , where a and b are vectors of it’s adjacent sides.

Area =

Here,

have
,

Thus, substituting the values of ,

in equation (i) we get

⇒

⇒ sq units

15 D

Find the area of the parallelogram whose adjacent sides are represented by the vectors:

and

16 A

Find the area of the parallelogram whose diagonal are represented by the vectors

and

16 C

Find the area of the parallelogram whose diagonal are represented by the vectors

and .

17 A

Find the area of the triangle whose two adjacent sides are determined by the vectors

and