Find the direction of the missing vector?

[ugobroncs3343]

Homework Statement

The picture shows the problem

Homework Equations

The Attempt at a Solution

I know that the right hand rule applies but I am confused on exactly what to do from there?
Any help would be greatly appreciated thank you

 

[ehild]

I know that the right hand rule applies but I am confused on exactly what to do from there?

I guess you asked about [1].
Apply the right hand rule to find he direction of the missing vector, then draw it into the picture. For example, does B point up or down in the first case? ehild