SUN ROOM
The diagrams show the plans for a sun room. It will be built onto the wall of a house. The four walls of the sunroom are square clear glass panels. The roof is made using four clear glass panels, trapezium in shape, all the same size
One tinted glass panel, half a regular octagon in shape

Refer to Top View
Find the mid-point of the segment joining the points J (6, 17) and I (9, 16).

Options

A. `(33/2 , 15/2)`
B. `(3/2 , 1/2)`
C. `(15/2 , 33/2)`
D. `(1/2 , 3/2)`