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

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

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

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

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

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

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

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

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

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

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

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

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

This set of tutorials provides 48 examples of angles and how to identify angles by their measurement.

July 2013. In this issue we look at the crash of an Asiana Airlines in San Francisco. We investigate the math behind why the crash may have happened.

This is the transcript for the video entitled, Desmos Geometry Exploration: Angles. In this video tutorial angles are defined.

This is the transcript for the video entitled, Desmos Geometry Exploration: Types of Angles I.

This is the transcript for the video entitled, Desmos Geometry Exploration: Types of Angles II.

This is the transcript for the video of same title. Video contents: In this program we explore the properties of angles and planes.

This is the transcript for the video of same title.

This is the transcript for the video of same title.

This is the transcript for the video of same title.

This is part of a collection of video tutorials on the topic of using the Desmos Geometry tools to explore geometric concepts.

This is part of a collection of video tutorials on the topic of using the Desmos Geometry tools to explore geometric concepts.

This is part of a collection of video tutorials on the topic of using the Desmos Geometry tools to explore geometric concepts.

In this program we explore the properties of angles and planes. We do this in the context of two real-world applications.

The observatory in Arecibo, Puerto Rico provides astronomers insights into the structure of our solar system.

Himeji castle in Japan is a marvel of architecture and a startling example of geometry and military science.

In the Canadian Rockies, the Burgess Shale fossils provide a window to prehistoric Earth. Fossil layers are folded into sedimentary rocks.

In this TI-Nspire CX tutorial, we go through the steps of constructing an Angle Bisector and measuring the distance from a point on the Bisect