L. LESSON TITLE
PROVING PROPERTIES OF PARALLEL LIHES CUT BY A TRANSVERSAL
I MOST ESSENTIAL LEARNING
COMPETENCIES (MELCs)
Proves properlies of parallel lines cut by a transversal
II. CONTENT/CORE CONTENT
IV. LEARNING PHASES AND LEARNING ACTIVITIES
I. Introduction (Time Frame: 10 min)
Writing prool is an important skill that you will leam from Geometry. It will develop your observation skills, deduclive Ihinking
logical reasoning and mathematicol communication
In writing proofs, you hove lo determine the appropriate statements and give reasons for these statements. There are coses
were you only have to complele a statement or a reason.
Guide questions and hints will help you succeed in this Leop's learning tasks.

D. Development (Time Frame: 80 min)
Learning Context
ANGLES FORMED BY PARALLEL LINES CUT BY A TRANSVERSAL
​