14-23u To construct a perpendicular1. Draw a line segment, plot a point, and select the line and point.2. Perform the following operation: 4(Construct) – 2:Perpendicular.• This will draw a perpendicular to the selected line segment and passes through theselected point.→NoteYou can perform a perpendicular construct operation while a single line segment and singlepoint, a single line and single point, a single ray and a single point, a single vector and a singlepoint, or one side of a polygon and a single point are selected on the screen.u To construct a midpoint1. Draw a line segment and select it.2. Perform the following operation: 4(Construct) – 3:Midpoint.• This will plot the midpoint of the line segment you selected.→NoteYou can perform a midpoint construct operation while a single line segment, one side of apolygon, or two points are selected on the screen.