The purpose of this website is to educate you and aid in studying for the MSL in geometry. This chapter is on circles and the special relationships only they can create. The first tab includes videos on: Circles and Circumference; Angles and Arcs; Arcs and Chords. The second tab has: Inscribed angles; Secants, Tangents, and Angle Measures. The final tab has: Special Segments and Equations of circles.