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

Question

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

Philoid · Accepted Answer

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

Area =

Here,

We

have

⇒

Thus, substituting the values of ,

in equation (i) we get

⇒

⇒ sq units