NYS

These are the resources that support this NYS Standard.

NY-GEO-G.CO.9: Prove and apply theorems about lines and angles.

There are 42 resources.
Title Description Thumbnail Image Curriculum Topics

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.

Math Example--Geometric Proofs--Example 13 Parallel Lines and 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.

Math Example--Geometric Proofs--Example 2 Parallel Lines and 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.

Math Example--Geometric Proofs--Example 3 Parallel Lines and 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.

Math Example--Geometric Proofs--Example 4 Parallel Lines and 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.

Math Example--Geometric Proofs--Example 5 Parallel Lines and 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.

Math Example--Geometric Proofs--Example 6 Parallel Lines and 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.

Math Example--Geometric Proofs--Example 7 Parallel Lines and Definition of a Triangle

Math Example--Geometric Proofs--Example 8

Math Example--Geometric Proofs--Example 8

This is part of a collection of math examples that focus on geometric proofs.

Math Example--Geometric Proofs--Example 8 Parallel Lines and Definition of a Triangle

Math Example--Geometric Proofs--Example 9

Math Example--Geometric Proofs--Example 9

This is part of a collection of math examples that focus on geometric proofs.

Math Example--Geometric Proofs--Example 9 Parallel Lines and Definition of a Triangle

Video Tutorial: Parallel Lines Cut by a Transversal: Example 1

This is part of a collection of video tutorials on parallel lines cut by a transversal. Using the properties of these lines, the value of an unknown angle is calculated.

Note: The download is a PDF template for use in modeling the examples shown in the videos.

Video Tutorial: Parallel Lines Cut by a Transversal: Example 1 Parallel Lines

Video Tutorial: Parallel Lines Cut by a Transversal: Example 2

This is part of a collection of video tutorials on parallel lines cut by a transversal. Using the properties of these lines, the value of an unknown angle is calculated.

Video Tutorial: Parallel Lines Cut by a Transversal: Example 2 Parallel Lines

Video Tutorial: Parallel Lines Cut by a Transversal: Example 3

This is part of a collection of video tutorials on parallel lines cut by a transversal. Using the properties of these lines, the value of an unknown angle is calculated.

Note: The download is a PDF template for use in modeling the examples shown in the videos.

Video Tutorial: Parallel Lines Cut by a Transversal: Example 3 Parallel Lines

Video Tutorial: Parallel Lines Cut by a Transversal: Example 4

This is part of a collection of video tutorials on parallel lines cut by a transversal. Using the properties of these lines, the value of an unknown angle is calculated.

Note: The download is a PDF template for use in modeling the examples shown in the videos.

Video Tutorial: Parallel Lines Cut by a Transversal: Example 4 Parallel Lines

Video Tutorial: Parallel Lines Cut by a Transversal: Example 5

This is part of a collection of video tutorials on parallel lines cut by a transversal. Using the properties of these lines, the value of an unknown angle is calculated.

Note: The download is a PDF template for use in modeling the examples shown in the videos.

Video Tutorial: Parallel Lines Cut by a Transversal: Example 5 Parallel Lines

Video Tutorial: Parallel Lines Cut by a Transversal: Example 6

This is part of a collection of video tutorials on parallel lines cut by a transversal. Using the properties of these lines, the value of an unknown angle is calculated.

Note: The download is a PDF template for use in modeling the examples shown in the videos.

Video Tutorial: Parallel Lines Cut by a Transversal: Example 6 Parallel Lines

Video Tutorial: Parallel Lines Cut by a Transversal: Example 7

This is part of a collection of video tutorials on parallel lines cut by a transversal. Using the properties of these lines, the value of an unknown angle is calculated.

Note: The download is a PDF template for use in modeling the examples shown in the videos.

Video Tutorial: Parallel Lines Cut by a Transversal: Example 7 Parallel Lines

Video Tutorial: Parallel Lines Cut by a Transversal: Example 8

This is part of a collection of video tutorials on parallel lines cut by a transversal. Using the properties of these lines, the value of an unknown angle is calculated.

Note: The download is a PDF template for use in modeling the examples shown in the videos.

Video Tutorial: Parallel Lines Cut by a Transversal: Example 8 Parallel Lines