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  2. How to Solve It - Wikipedia

    en.wikipedia.org/wiki/How_to_Solve_It

    How to Solve It suggests the following steps when solving a mathematical problem: . First, you have to understand the problem. [2]After understanding, make a plan. [3]Carry out the plan.

  3. Rhombicosidodecahedron - Wikipedia

    en.wikipedia.org/wiki/Rhombicosidodecahedron

    Therefore, the circumradius of this rhombicosidodecahedron is the common distance of these points from the origin, namely √ φ 6 +2 = √ 8φ+7 for edge length 2. For unit edge length, R must be halved, giving R = ⁠ √ 8φ+7 / 2 ⁠ = ⁠ √ 11+4 √ 5 / 2 ⁠ ≈ 2.233.

  4. Ambiguous image - Wikipedia

    en.wikipedia.org/wiki/Ambiguous_image

    Rare example of an ambiguous image that can be interpreted in more than two ways: as the letters "KB", the mathematical inequality "1 < 13" or the letters "VD" with their mirror image. [7] When we see an image, the first thing we do is attempt to organize all the parts of the scene into different groups. [8]

  5. Rummikub - Wikipedia

    en.wikipedia.org/wiki/Rummikub

    Draw Two / River. Draw two - when you cannot or do not want to add a tile, you can draw from the Pool. To draw, pick up two (2) tiles, discard one (1) to the River, and place the other on your Rack, ending your turn. (The River is a row of tiles discarded during a draw. They must be kept in order of discard.)

  6. Drawing - Wikipedia

    en.wikipedia.org/wiki/Drawing

    Leonardo da Vinci's Vitruvian Man (c. 1485) Accademia, Venice. Drawing is a visual art that uses an instrument to mark paper or another two-dimensional surface. The instruments used to make a drawing are pencils, crayons, pens with inks, brushes with paints, or combinations of these, and in more modern times, computer styluses with graphics tablets or gamepads in VR drawing software.

  7. AOL Mail

    mail.aol.com

    You can find instant answers on our AOL Mail help page. Should you need additional assistance we have experts available around the clock at 800-730-2563.

  8. Calculator spelling - Wikipedia

    en.wikipedia.org/wiki/Calculator_spelling

    The Ultimate List – An 824 word list and an extended 1455 word list of English words possible to display on an upside down calculator, HTML code to aid their creation plus three 'micro stories' using only the available words. 251 words you can spell with a calculator. – Present&Correct 251 words you can spell with a calculator. (10/27/13)

  9. Triangular bipyramid - Wikipedia

    en.wikipedia.org/wiki/Triangular_bipyramid

    A triangular bipyramid is a hexahedron with six triangular faces constructed by attaching two tetrahedra face-to-face. The same shape is also known as a triangular dipyramid [1] [2] or trigonal bipyramid. [3] If these tetrahedra are regular, all faces of a triangular bipyramid are equilateral.