Thread: finding angle made by vector

question:Vector A lies in the xy plane, has a magnitude of 18 units and points in a direction 250° from the +x direction. Vector B has a magnitude of 12 units and points in the +z direction. What is the vector product of C=AxB

answer:C=216 units and points 160° from positive x axis

confusion: I'm stuck with the angle part, why wouldn't it still be 250° in x direction and coming out of the page? I also considered arccos(12/18) but that's no good.

The cross product gives you a new vector which is ortogonal to booth initial vectors: C=AxB => C is ortogonal to A and to B. Oh, I missunderstood the question

ok so the answer come from 180°-20°=60°
I guess the question doesn't ask for the answer given