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Angle Classification

Categories of angles based on measurements and relationships.

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Practice Angle Classification
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Space Angles

Credit: Steve Jurvetson
Source: http://www.flickr.com/photos/44124348109@N01/97214206/
License: CC BY-NC 3.0

Can you imagine taking a drive on the moon? What about making a wide right turn around a crater? What kind of vehicle could do this kind of driving?

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The Lunar Electric Rover (LER) was designed to go on the kinds of drives described above. In fact, you can take the LER on a drive on the moon or Mars. Besides being a unique vehicle capable of amazing things, the LER also works with angles. So you had better understand angles and protractors before you take it for a spin.

Credit: Regan Geeseman/NASA
Source: http://commons.wikimedia.org/wiki/File:Lunar_Electric_Rover_2008_desert_testing.jpg
License: CC BY-NC 3.0

The LER is pictured above. You can see how it has eight wheels and plenty of viewing from its many windows. It also has a videogame-style joystick for driving and for steering. A unique feature in the LER is its control panel. It has the same numbers as on a protractor, showing that you can move it in degrees. In fact, the LER turns in acute angles of less than 90 degrees.

So never fear that you can’t make that 45°-turn when traveling through space. The LER is just the vehicle for you!

Check out this video on the LER: http://www.youtube.com/watch?v=IsNY0iCXcD0&list=PLB33BA41C14D73CA3

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Check out the first link for an interactive activity on angles. Visit the next website to learn more about the LER. If you have an iPhone or iPad, you can download the application at the last link to see real information on the LER.




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Image Attributions

  1. [1]^ Credit: Steve Jurvetson; Source: http://www.flickr.com/photos/44124348109@N01/97214206/; License: CC BY-NC 3.0
  2. [2]^ Credit: Regan Geeseman/NASA; Source: http://commons.wikimedia.org/wiki/File:Lunar_Electric_Rover_2008_desert_testing.jpg; License: CC BY-NC 3.0

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