Which of the following equations correctly expresses the relation between vectors A⃗ , B⃗ , and C⃗ shown in the figure?

Question

Which of the following equations correctly expresses the relation between vectors A⃗ , B⃗ , and C⃗  shown in the figure?

anonymous · Answer

attachment

mathmale · Answer

Two of those three vectors are added together.  The third vector represents the resultant of this vector addition.  Which vectors are added together, and which vector represents the resultant vector?

anonymous · Answer

how do i know that? haha

mathmale · Answer

I see that vectors A and B start from the same point.  Verify this.  Vector B ends at the same point as does the vector sum of A and C.  Also verify this.  So:  What is your conclusion?

mathmale · Answer

Are you positive that you know the definition of "resultant vector?"  If not, better check that out and look for examples.

anonymous · Answer

oooh i see, so what is the answer? the second one?