This is a learning material (Module). It contains two lessons that discuss on law of proportions and basic proportionality theorem and its converse. It helps develop student's understanding on similarity of triangles.
Objective
1. to apply the fundamental law of proportions
* product of the means is equal to the product of the extremes
2. to apply the definition of proportion of segments to find unknown lengths
3. to illustrate and verify the Basic Proportionality Theorem and its Converse
Curriculum Information
Education Type
K to 12
Grade Level
Grade 9
Learning Area
Mathematics
Content/Topic
Geometry
Intended Users
Learners
Competencies
Describes a proportion
Applies the fundamental theorems of proportionality to solve problems involving proportions
Illustrates similarity of figures