How to determine the triangle side inequalities.
How to define corresponding angles and their special properties.
How to relate the sides of an angle bisected and the lengths of the opposite side.
How to determine the relationship between the side inequalities and angle inequalities in a triangle.
How to relate corresponding altitudes, medians and angle bisectors in similar triangles.
How to describe same side interior and same side exterior angles and their special properties.
How to use the principle that corresponding parts of congruent triangles are congruent, or CPCTC.
How to identify if two figures are similar.
How to use the SAS and SSS shortcuts to determine the congruence of two triangles.
How to define adjacent angles.
How to use the ASA and AAS shortcuts to determine the congruence of two triangles.
How to define a central angle and find the measure of its intercepted arc; how to describe the intercepted arcs of congruent chords.
How to construct parallel lines using three different methods.
How to label an angle and how to differentiate between acute, right, obtuse, and straight angles.
How to identify a trapezoid and its special properties.
How to define a triangle midsegment and describe its special properties.
How to identify all of the special properties of parallelograms and use them to solve problems.
How to classify a triangle based on its side lengths and angle measures.
How to identify a segment from the vertex angle in an isosceles triangle to the opposite side.
How to calculate the area of any triangle using two sides and an included angle.