10 pt question an architect plans to make a drawing of the room of a house. the segment lm represents the ceiling of the room. he wants to construct a line passing through q and perpendicular to side lm to represent a wall of the room. he uses a straightedge and compass to complete some steps of the construction, as shown below: which of these is likely to be his next step in constructing the perpendicular line? a. fix the compass at q and draw an arc below the line. b. fix the compass at l and draw an arc above the line. c. without changing the width and position of the compass, draw an arc between l and m. d. without changing the width of the compass, place the compass at m and draw an arc.