Question16. In the figure below, lines $A$ and $B$ are parallel.
Find the $m \angle 5$ if $m \angle 1=75^{\circ}$ and $m \angle 3=40^{\circ}$. A. $34^{\circ}, 117^{\circ}$ and $29^{\circ}$ B. $31^{\circ}, 106^{\circ}$ and $43^{\circ}$ C. $37^{\circ}, 128^{\circ}$ and $15^{\circ}$ D. $29^{\circ}, 84^{\circ}$ and $67^{\circ}$