How to find the angles of a triangle by creating a linear equation.
How to measure the sine and cosine of 150.
How do we measure sine and cosine of pi/4?
How to find the length of tangent segments drawn to a circle from the same point.
How to identify a segment from the vertex angle in an isosceles triangle to the opposite side.
How to relate corresponding altitudes, medians and angle bisectors in similar triangles.
How to calculate the area between a square and an inscribed circle.
How to use the ASA and AAS shortcuts to determine the congruence of two triangles.
How to define a tangent line; how to determine the angle a radius to a tangent forms.
How to define isosceles triangles, their components and how to determine their properties.
How to evaluate the tangent of 3*pi/4.
How to define the apothem and center of a polygon; how to divide a regular polygon into congruent triangles.
How to identify all of the special properties of parallelograms and use them to solve problems.
How we define sine and cosine for all angle measures using the unit circle.
How to construct the incenter using a compass and straightedge.