Chapter 2 Algebra
Lesson 1 : ’Solving system of linear inequalities
Lesson 2 : ’Linear programming

trigonometry
Lesson 5 : Circular sector.
Lesson 6 : Circular segment.
Lesson 7 : The area of polygons.

Chapter 2 geo.
Lesson 3 : The measure of the angle between two straight lines
Lesson 4 : The length of the perpendicular drawn from point to a straight line.
Lesson 5 : The equation of a straight line passing through the intersection point of two lines.