## Sides of a Parallelogram Activity.notebook - Section 3: Activity

Sides of a Parallelogram Activity.notebook

# Theorems about Sides of Parallelograms

Lesson 6 of 10

## Big Idea: In this lesson, students use their prior knowledge to prove theorems about the sides of parallelograms.

Print Lesson
Standards:
Subject(s):
Math, Geometry, Proofs, parallel lines, parallelogram, logic, quadrilaterals, reasoning and proof, properties of polgygons
45 minutes

### Marisa Laks

##### Similar Lessons

###### Shifty Shears
Geometry » Area Relationships
Big Idea: We use Cavalieri's Principle to analyze racing yacht sails, the face of a deck of cards, and shears...which are used in yet another transformation proof.
Favorites(0)
Resources(26)
Ault, CO
Environment: Rural

###### Presenting Polygons
Geometry » Pretty Polygons
Big Idea: Tri, Quad, Pent, Hex ... learn the key vocabulary for polygon shapes and find interior angle measure for these pretty polygons!
Favorites(9)
Resources(25)
Saratoga Springs, NY
Environment: Suburban