February 15, 2024 Formulae – English 7 We invite you to download the images of our formulae. Midpoint of a Line Segment Download Two-Dimensional Coordinate System 1 Download Dividing a Line Segment Given a Ratio in the Plane 1 Download Angle Between Two Lines 1 Download Parallelism and Perpendicularity Download Dividing a Line Segment Given a Ratio Download Two-Dimensional Coordinate System 2 Download Dividing a Line Segment Given a Ratio in the Plane 2 Download Angle Between Two Lines 2 Download Previous Next