 ## MAFS.912.G-CO.3.11: Prove theorems about parallelograms; use theorems about parallelograms to solve problems. Theorems include: opposite sides are congruent, opposite angles are congruent, the diagonals of a parallelogram bisect each other, and conversely, rectangles are parallelograms with congruent diagonals.

There are 27 resources.
Title Description Thumbnail Image Curriculum Topics

## Definition--Theorems and Postulates--AAA Theorem

### Definition--Theorems and Postulates--AAA Theorem This is part of a collection of definitions of geometric theorems and postulates. Definition of a Triangle

## Definition--Theorems and Postulates--AAS Theorem

### Definition--Theorems and Postulates--AAS Theorem This is part of a collection of definitions of geometric theorems and postulates. Definition of a Triangle

## Definition--Theorems and Postulates--Alternate Interior Angles Theorem

### Definition--Theorems and Postulates--Alternate Interior Angles Theorem This is part of a collection of definitions of geometric theorems and postulates. Definition of an Angle

## Definition--Theorems and Postulates--ASA Theorem

### Definition--Theorems and Postulates--ASA Theorem This is part of a collection of definitions of geometric theorems and postulates. Definition of an Angle

## Definition--Theorems and Postulates--Converse of Same-Side Interior Angles Postulate

### Definition--Theorems and Postulates--Converse of Same-Side Interior Angles Postulate This is part of a collection of definitions of geometric theorems and postulates. Definition of an Angle

## Definition--Theorems and Postulates--Converse of the Alternate Interior Angles Theorem

### Definition--Theorems and Postulates--Converse of the Alternate Interior Angles Theorem This is part of a collection of definitions of geometric theorems and postulates. Definition of an Angle

## Definition--Theorems and Postulates--Converse of the Corresponding Angles Theorem

### Definition--Theorems and Postulates--Converse of the Corresponding Angles Theorem This is part of a collection of definitions of geometric theorems and postulates. Definition of an Angle

## Definition--Theorems and Postulates--Corresponding Angles Theorem

### Definition--Theorems and Postulates--Corresponding Angles Theorem This is part of a collection of definitions of geometric theorems and postulates. Definition of an Angle

## Definition--Theorems and Postulates--Same-Side Interior Angles Postulate

### Definition--Theorems and Postulates--Same-Side Interior Angles Postulate This is part of a collection of definitions of geometric theorems and postulates. Definition of a Triangle

## Definition--Theorems and Postulates--SAS Similarity Theorem

### Definition--Theorems and Postulates--SAS Similarity Theorem This is part of a collection of definitions of geometric theorems and postulates. Definition of a Triangle

## Definition--Theorems and Postulates--SAS Theorem

### Definition--Theorems and Postulates--SAS Theorem This is part of a collection of definitions of geometric theorems and postulates. Definition of a Triangle

## Definition--Theorems and Postulates--SSS Postulate

### Definition--Theorems and Postulates--SSS Postulate This is part of a collection of definitions of geometric theorems and postulates. Definition of a Triangle

## Math Clip Art--Angle Illustrations--Supplementary Angles--Labeled

### Math Clip Art--Angle Illustrations--Supplementary Angles--Labeled This is part of a collection of clip art images showing different types of angles. Each type of angle measure includes a labeled and unlabeled version. Angles, Applications of Angles and Planes

## Math Clip Art--Angle Illustrations--Supplementary Angles--Unlabeled

### Math Clip Art--Angle Illustrations--Supplementary Angles--Unlabeled This is part of a collection of clip art images showing different types of angles. Each type of angle measure includes a labeled and unlabeled version. Angles, Applications of Angles and Planes

## Math Example--Geometric Proofs--Example 1

### Math Example--Geometric Proofs--Example 1 This is part of a collection of math examples that focus on geometric proofs. Parallel Lines, Definition of a Triangle

## Math Example--Geometric Proofs--Example 10

### Math Example--Geometric Proofs--Example 10 This is part of a collection of math examples that focus on geometric proofs. Parallel Lines, Definition of a Triangle

## Math Example--Geometric Proofs--Example 11

### Math Example--Geometric Proofs--Example 11 This is part of a collection of math examples that focus on geometric proofs. Parallel Lines, Definition of a Triangle

## Math Example--Geometric Proofs--Example 12

### Math Example--Geometric Proofs--Example 12 This is part of a collection of math examples that focus on geometric proofs. Parallel Lines, Definition of a Triangle

## Math Example--Geometric Proofs--Example 13

### Math Example--Geometric Proofs--Example 13 This is part of a collection of math examples that focus on geometric proofs. Parallel Lines, Definition of a Triangle

## Math Example--Geometric Proofs--Example 2

### Math Example--Geometric Proofs--Example 2 This is part of a collection of math examples that focus on geometric proofs. Parallel Lines, Definition of a Triangle

## Math Example--Geometric Proofs--Example 3

### Math Example--Geometric Proofs--Example 3 This is part of a collection of math examples that focus on geometric proofs. Parallel Lines, Definition of a Triangle

## Math Example--Geometric Proofs--Example 4

### Math Example--Geometric Proofs--Example 4 This is part of a collection of math examples that focus on geometric proofs. Parallel Lines, Definition of a Triangle

## Math Example--Geometric Proofs--Example 5

### Math Example--Geometric Proofs--Example 5 This is part of a collection of math examples that focus on geometric proofs. Parallel Lines, Definition of a Triangle

## Math Example--Geometric Proofs--Example 6

### Math Example--Geometric Proofs--Example 6 This is part of a collection of math examples that focus on geometric proofs. Parallel Lines, Definition of a Triangle

## Math Example--Geometric Proofs--Example 7

### Math Example--Geometric Proofs--Example 7 This is part of a collection of math examples that focus on geometric proofs. Parallel Lines, Definition of a Triangle