Vocabulary of angles and how to measure an angle with a protractor
How to define corresponding angles and their special properties.
How to label an angle bisector; how to use an angle bisector to find a missing variable.
How to duplicate an angle using a compass and straightedge.
How to find the sum of the exterior angles in a polygon and find the measure of one exterior angle in an equiangular polygon.
How to measure angles using degrees or radians.
How to prove that an angle inscribed in a semicircle is a right angle; how to solve for arcs and angles formed by a chord drawn to a point of tangency.
How to find the angle of inclination of a line.
How to identify a segment from the vertex angle in an isosceles triangle to the opposite side.
How to define alternate interior angles and their special properties.
How to define alternate exterior angles and their special properties.
How to apply the triangle angle sum theorem.
How to compute the angle between two vectors.
How to derive the formula to find the sum of angles in any polygon.
Overview of similarity: congruent angles, proportional corresponding sides
How to identify all of the special properties of parallelograms and use them to solve problems.
How to use the power reduction formulas to derive the half-angle formulas.