It is asking for the tangent ratio at B.
In my answer; angle=theta
tan(theta)=opposite/adjacent
tan(theta)= 3/2
If you put 5 which means its 2 1/2 ( I think) Because two 1/2 makes one.
<em><u>Thanks !</u></em>
<em><u>Have a great day you too !! </u></em>
