## 7 - 5 Prove interior angles of triangles using transversals_video narrative_POTD.MOV - Section 2: Play of the Day

7 - 5 Prove interior angles of triangles using transversals_video narrative_POTD.MOV

# Prove interior angles of a triangle using transversals

Unit 7: PARALLEL LINES, TRANSVERSALS, AND TRIANGLES
Lesson 5 of 9

## Big Idea: Get kids to prove facts using transversals. This is harder than it sounds!

Print Lesson
8 teachers like this lesson
Standards:
Subject(s):
Math, Geometry, 8th grade
75 minutes

### Jeff Li MTP

##### Similar Lessons

###### Developing Right and Straight Angle Intuition
8th Grade Math » Lines, Angles, and Algebraic Reasoning
Big Idea: Introduce and explore the connections between supplementary and complementary angles using algebra.
Favorites(13)
Resources(14)
New York, NY
Environment: Urban

###### PTA (Parallel Lines, Transversals and Angles)
Geometry » Line-sanity!
Big Idea: Students will draw and measure to discover relationships of angles formed by parallel lines cut by a transversal.
Favorites(21)
Resources(20)
Saratoga Springs, NY
Environment: Suburban

###### Exploring Angle Relationships Along Parallel Lines
8th Grade Math » Transformations
Big Idea: I Like to Move it Move it, Move Angle Measures Along a Transversal to Map Relationships
Favorites(10)
Resources(14)
Bowling Green, KY
Environment: Suburban
sign up or
Something went wrong. See details for more info
 Nothing to upload details close