"Ph.D. Math Tutor, High School and Early College Subjects"
...Applications are made to quadrilaterals, including parallelograms, rectangles, squares and trapezoids. The concept of similar triangles is introduced. leading to a proof of the Pythagorean theorem. The geometry
of the circle and an introduction to three dimensional geometry
is included. Additionally, coordinate geometry
is reviewed, and then applied...
6 subjects, including geometry