How to solve proportions.
How to solve a simple proportion.
Understanding the laws of definite and multiple proportions.
How to derive the area of a segment formula.
How to duplicate a line segment using a compass and straightedge.
How to prove two triangles are similar using a line parallel to a base.
How to find the length of tangent segments drawn to a circle from the same point.
How to define and label a line segment.
How to write the parametric equations of a line segment that goes from point A to point B.
How to identify, define and label a midpoint.
How to set up percent problems as proportions.
How to identify the centroid and the way it divides each of the medians.
Solving percent problems using proportions
How to define a median in a triangle.
How to define a midsegment in a triangle.
Overview of similarity: congruent angles, proportional corresponding sides
How to define direct variation.
How to derive the formula for the midpoint of a segment in three dimensions.