Desmos or GeoGebra Challenge
Median: Construct a triangle and midpoint of one side. Connect the midpoint and the vertex opposite that side with a segment.
Perpendicular Bisector: Construct a triangle and midpoint of one side. Construct a perpendicular line through that midpoint.
Angle Bisector: Construct a triangle and an angle bisector of one vertex.
Altitude: Construct a triangle and a perpendicular segment from a vertex to the opposite side.
Median: Construct a triangle and midpoint of one side. Connect the midpoint and the vertex opposite that side with a segment.
Perpendicular Bisector: Construct a triangle and midpoint of one side. Construct a perpendicular line through that midpoint.
Angle Bisector: Construct a triangle and an angle bisector of one vertex.
Altitude: Construct a triangle and a perpendicular segment from a vertex to the opposite side.