Show that the area of the triangle whose two adjacent sides are determined by the vectors `veca=3hati+4hatj, vecb=-5hati+7hatj` is `20 1/2` square units.

Find the area of the triangle whose adjascent sides are determined by the vectors veca=-2hati-5hatk and vecb=hati-2hatj-hatk .

The area of the parallelogram whose adjacent sides are determined by the vector veca=hati-hatj+3hatk and vecb = 2hati -7hatj + hatk is a) 15 sq, units b) 2sqrt(15) sq. units c) 15sqrt(2) sq. units d) None of these

Find the area of the parallelogram whose adjacent sides are given by the vectors veca=3hati+hatj+4hatkandvecb=hati-hatj+hatk .

Find the area of the parallelogram whose adjacent sides are given by the vectors veca=hati-hatj+3hatk and vecb=2hati-7hatj+hatk

Find the area of the parallel whose adjacent sides are represented by the vectors 3hati+hatj-2hatk and hati-3hatj+4hatk

The area of the triangle formed by the adjacent sides with vecA = 3hati + 2hatj - 4 hatk and vecB = -hati + 2hatj + hatk is

The area of the parallelogram represented by the vectors vecA=2hati+3hatj and vecB=hati+4hatj is

Find the area of the prallelogram whose adjacent sides are veca=hati+2hatj+3hatk and vecb=3hati-2hatj+hatk .

If a=3hati+hatj-4hatk,b=6hati+5hatj-2hatk, then find the area of a triangle whose adjacent sides are determined by a and b.

The projection of vector veca=2hati+3hatj+2hatk along vecb=hati+2hatj+1hatk is