Answer:
D. Place the compass on point E and draw a small arc below the line and beneath point R.
Step-by-step explanation:
According, to given construction we need to draw the a perpendicular on a line m from a point R above the line.
According to given figure, we have given a line m and R is a point above the line then they placed the compass on point R and draw the an arc by cutting line m at the points E and F. In next step we need to
D. Place the compass on point E and draw a small arc below the line and beneath point R.