How to use inverse trig functions to find angles in right triangles.
How to calculate the area of any triangle using two sides and an included angle.
How to define the sine ratio and identify the sine of an angle in a right triangle.
How to define the cosine ratio and identify the cosine of an angle in a right triangle.
How to define the tangent ratio and identify the tangent of an angle in a right triangle.
How to determine whether lines are parallel, perpendicular, or neither.
How to construct parallel lines using three different methods.
How to use the SAS and SSS shortcuts to determine the congruence of two triangles.
How to strategize about solving a problem with trapezoidal arches.
How to define a rhombus and compare it to a square and rectangle.
How to define a rectangle and a square.
How to define a rotation and what information is necessary to perform a rotation.
How to derive the formula to calculate the area of a sector in a circle.