How to measure the sine and cosine of 150.
How to prove two triangles are similar using a line parallel to a base.
How to define the components and length of a position vector in three dimensions.
How do we measure sine and cosine of pi/4?
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 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 use the ASA and AAS shortcuts to determine the congruence of two triangles.
An explanation of displacement.
Understanding and predicting gravitational fields.
How to compute the area of a parallelogram using a determinant.
How to define a tangent line; how to determine the angle a radius to a tangent forms.
The differences between elements and compounds.
How to define isosceles triangles, their components and how to determine their properties.
How to derive the formula for the midpoint of a segment in three dimensions.