Question

adding vectors in xy plane
http://prntscr.com/4qdrgp

Answer 1

\(\large \frac{1}{2}\mathbf{v}+ \frac{1}{2}\mathbb{w} = \mathbb{w} + \frac{1}{2}(\mathbb{v-w})\)

Answer 2

how to tell where the next point 3/4v + 1/4w lies ? i know that point lies on the diagonal v-w,
but how to arrive at that ?