Design a rectangular column $($keeping the shortest possible dimension on one side$)$ of $3\mathrm{.}7$ m $(12$ ft$)$ height in M$25(25$ MPa$)$ concrete to support tributary floor area of $36$ m$2(400$ ft$2)$ for a $10$ storied building to have a minimum of $3-$hour fire rating to carry light to medium loads of a residential building. design a rectangular column for the same loads keeping the shortest possible dimension on one side.