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How to Construct a Regular Pentagon - Only Using a Straight Edge and Compass

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Uploaded by on Dec 17, 2009

This is one of many ways to construct a true regular pentagon using pencil and paper. All that is required is a straight edge and a compass. You don't even need a ruler or protractor.

http://www.alexpleasehelp.com/online/problems/pentagon1

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Uploader Comments (AlexPleaseHelpDotCom)

  • Thank you for teaching me something new. Blessings from a user in Israel

  • @grinninggnome Cheers!

  • What programm are you using to construct this?

    TurboCAD or another one?

  • I use Geogebra. It's a very awesome open source (i think) CADlike geometry program.

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All Comments (23)

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  • I'm not a geek or science nerd I'm just trying to do my homework lol

  • haha I'm not a maths geek or a science nerd, I'm a technology person lol

  • @grinninggnome zionist jew

  • Brilliant video !

  • You got it wrong its math nerds and science geeks.

  • So that's how they came up with the eye above the pyramid of the dollar bill. So the eye symbolizes the pentagon such also means the inner side of the five pointed star. Wow

  • he called me a geek and a nerd in one sentence..... :P

  • thanks

    

  • omg!!!!!!!!!!!! i freaken love u!!! thank you soooooo much!!!!!!! i actually had fun doing geometry lol thank you super duper. ur super man =]

  • THE LEAST STEPS IS THAT JOKE WAT THE FUK IS THE ONE WITH THE MOST STEPS O_O

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