This is a learning material (Module). It contains three (3) lessons about the different characteristics of lines on a plane. It helps to develop students' understanding on the concepts about parallel and perpendicular lines, and the relationship among sides and angles of a triangle.
Objective
1. to define and illustrate perpendicular and parallel lines
2. to define and give examples of the perpendicular bisector of a segment
3. to define and illustrate exterior angles of a triangle and its relationships with other angles of a triangle
4. to define inequalities among angles and sides of a triangle
5. to illustrate lines that serve as transversal
Curriculum Information
Education Type
K to 12
Grade Level
Grade 7
Learning Area
Mathematics
Content/Topic
Geometry
Intended Users
Learners
Competencies
Derives relationships among angles formed by parallel lines cut by a transversal using measurement and by inductive reasoning
Derives inductively the relationship of exterior and interior angles of a convex polygon
