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Let p be an interior point of the disk, and let n be a multiple of 4 that is greater than or equal to 8. Form n sectors of the disk with equal angles by choosing an arbitrary line through p, rotating the line n / 2 − 1 times by an angle of 2 π / n radians, and slicing the disk on each of the resulting n / 2 lines.
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Proof without words of the Nicomachus theorem (Gulley (2010)) that the sum of the first n cubes is the square of the n th triangular number. In mathematics, a proof without words (or visual proof) is an illustration of an identity or mathematical statement which can be demonstrated as self-evident by a diagram without any accompanying explanatory text.
Drawing uncomplicated graphics with a text editor seems more adequate than using a vector graphics program, and will often result in a dramatic reduction of file size. For an example, see the file Pizza theorem1.svg: .
This file contains additional information, probably added from the digital camera or scanner used to create or digitize it. If the file has been modified from its original state, some details may not fully reflect the modified file.
Here’s a list of companies requiring vaccination, incentivizing vaccination, or providing on-site vaccines in the U.S. Requiring a vaccinated workforce (Photo: Getty Creative) (Wachiwit via ...
Some anti-vaccination groups on Facebook are changing their names to euphemisms like “Dance Party” or “Dinner Party,” and using code words to fit those themes. Who is the 'pizza king'?
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