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  2. Four color theorem - Wikipedia

    en.wikipedia.org/wiki/Four_color_theorem

    A four-colored map of the states of the United States (ignoring lakes and oceans) In mathematics, the four color theorem, or the four color map theorem, states that no more than four colors are required to color the regions of any map so that no two adjacent regions have the same color. Adjacent means that two regions share a common boundary of ...

  3. Five color theorem - Wikipedia

    en.wikipedia.org/wiki/Five_color_theorem

    A Five-Color Map. The five color theorem is a result from graph theory that given a plane separated into regions, such as a political map of the countries of the world, the regions may be colored using no more than five colors in such a way that no two adjacent regions receive the same color. The five color theorem is implied by the stronger ...

  4. List of trigonometric identities - Wikipedia

    en.wikipedia.org/wiki/List_of_trigonometric...

    A formula for computing the trigonometric identities for the one-third angle exists, but it requires finding the zeroes of the cubic equation 4x 3 − 3x + d = 0, where is the value of the cosine function at the one-third angle and d is the known value of the cosine function at the full angle.

  5. File:Fish Coloring Pages PDF.pdf - Wikipedia

    en.wikipedia.org/wiki/File:Fish_Coloring_Pages...

    File:Fish Coloring Pages PDF.pdf. Size of this JPG preview of this PDF file: 424 × 600 pixels. Other resolutions: 170 × 240 pixels | 339 × 480 pixels | 543 × 768 pixels | 1,239 × 1,752 pixels. This is a file from the Wikimedia Commons. Information from its description page there is shown below. Commons is a freely licensed media file ...

  6. How To Recognize the Self-Serving Bias and What To Do About It

    www.aol.com/recognize-self-serving-bias...

    Be honest and humble: When things do not go well, be willing to acknowledge your mistakes. When things go well, and you truly contribute to the outcome, be humble in sharing those results with ...

  7. Triangle - Wikipedia

    en.wikipedia.org/wiki/Triangle

    A triangle is a polygon with three corners and three sides, one of the basic shapes in geometry. The corners, also called vertices, are zero- dimensional points while the sides connecting them, also called edges, are one-dimensional line segments. A triangle has three internal angles, each one bounded by a pair of adjacent edges; the sum of ...

  8. Art gallery problem - Wikipedia

    en.wikipedia.org/wiki/Art_gallery_problem

    A 3-coloring of the vertices of a triangulated polygon. The blue vertices form a set of three guards, as few as is guaranteed by the art gallery theorem. However, this set is not optimal: the same polygon can be guarded by only two guards. Steve Fisk's proof is so short and elegant that it was chosen for inclusion in Proofs from THE BOOK. [4]

  9. The 2024 Fish Bowl will be different. Here’s what to know ...

    www.aol.com/news/2024-fish-bowl-different-know...

    Julia Park. September 3, 2024 at 8:30 AM. This year’s Fish Bowl football game will look a little different. The annual game between rivals Peninsula High School and Gig Harbor High School will ...