How to find the midpoint of two points.
How to derive the formula for the midpoint of a segment in three dimensions.
How to find the midpoint of a segment with endpoints in rectangular coordinates, How to write the midpoint formula.
How to identify, define and label a midpoint.
How to construct a midpoint and how to define a perpendicular bisector.
How to define a median in a triangle.
How to define a midsegment in a triangle.
How to define the midsegment of a trapezoid, calculate its length, and relate it to a triangle midsegment.
How to find the shortest distance between a point and a line.
How to define a triangle midsegment and describe its special properties.