How to prove two triangles are similar using a line parallel to a base.
How to determine whether two lines in space are parallel or perpendicular.
How to prove that opposite angles in a cyclic quadrilateral are congruent; how to prove that parallel lines create congruent arcs in a circle.
How to construct parallel lines using three different methods.
How to define corresponding angles and their special properties.
How to find the angle between planes, and how to determine if two planes are parallel or perpendicular.
How capacitors store energy.
How to identify a system of equations that is inconsistent or dependent.
How to define alternate interior angles and their special properties.
How to define alternate exterior angles and their special properties.
How to describe same side interior and same side exterior angles and their special properties.
How to identify a trapezoid and its special properties.
How to define a triangle midsegment and describe its special properties.
Understanding standing waves.
How to find the resultant of two forces when they are parallel, opposite, or perpendicular in direction.
How to write an equation for the coordinate planes or any plane that is parallel to one.
How to describe a glide reflection and identify the information needed to perform a glide reflection.
How to solve a system of linear equations in two variables.
How to identify all of the special properties of parallelograms and use them to solve problems.