9000101903

Given points $A=[-1;0;3]$, $B=[0;2;0]$, find the angle between the line $AB$ and the line $m$. $$\begin{array}{rlr}m:x& =1+2t,& \\ y& =-3t,\\ z& =1;t\in \mathbb{R}\end{array}$$ Round your answer to the nearest minute.