Students learn to derive and apply formulas for the space inside shapes. Squares and Rectangles ( Advanced Areas: Parallelograms ( ), Triangles ( ), and Trapezoids (

Angle-Angle (AA), Side-Angle-Side (SAS), and Side-Side-Side (SSS).

Central angles vs. Inscribed angles (and the relationship between them).

Properties of isosceles and right trapezoids; the midline of a trapezoid.