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  2. Shikaku - Wikipedia

    en.wikipedia.org/wiki/Shikaku

    An initial configuration. A solution. Shikaku is played on a rectangular grid. Some of the squares in the grid are numbered. The objective is to divide the grid into rectangular and square pieces such that each piece contains exactly one number, and that number represents the area of the rectangle.

  3. Rectangle - Wikipedia

    en.wikipedia.org/wiki/Rectangle

    In Euclidean plane geometry, a rectangle is a rectilinear convex polygon or a quadrilateral with four right angles. It can also be defined as: an equiangular quadrilateral, since equiangular means that all of its angles are equal (360°/4 = 90°); or a parallelogram containing a right angle. A rectangle with four sides of equal length is a square.

  4. Square - Wikipedia

    en.wikipedia.org/wiki/Square

    A crossed square is sometimes likened to a bow tie or butterfly. the crossed rectangle is related, as a faceting of the rectangle, both special cases of crossed quadrilaterals. [ 12 ] The interior of a crossed square can have a polygon density of ±1 in each triangle, dependent upon the winding orientation as clockwise or counterclockwise.

  5. List of logic symbols - Wikipedia

    en.wikipedia.org/wiki/List_of_logic_symbols

    Sometimes used for “relation”, also used for denoting various ad hoc relations (for example, for denoting “witnessing” in the context of Rosser's trick). The fish hook is also used as strict implication by C.I.Lewis p {\displaystyle p} ⥽ q ≡ ( p → q ) {\displaystyle q\equiv \Box (p\rightarrow q)} .

  6. 20Q - Wikipedia

    en.wikipedia.org/wiki/20Q

    The player can answer these questions with: Yes, No, Unknown, and Sometimes. The experiment is based on the classic word game of Twenty Questions, and on the computer game "Animals," popular in the early 1970s, which used a somewhat simpler method to guess an animal. [3] The 20Q AI uses an artificial neural network to pick the questions and to ...

  7. Digon - Wikipedia

    en.wikipedia.org/wiki/Digon

    A regular digon has both angles equal and both sides equal and is represented by Schläfli symbol {2}. It may be constructed on a sphere as a pair of 180 degree arcs connecting antipodal points, when it forms a lune. The digon is the simplest abstract polytope of rank 2. A truncated digon, t{2} is a square, {4}. An alternated digon, h{2} is a ...

  8. States with the Highest and Lowest Property Tax Rates - AOL

    www.aol.com/finance/states-highest-lowest...

    No. 10 Highest: New Hampshire. Living in New Hampshire, the cradle of New England, can seem idyllic until you look at property taxes. The average property tax rate is 1.25%.

  9. Thomas Was Alone - Wikipedia

    en.wikipedia.org/wiki/Thomas_Was_Alone

    Each entity is represented by a simple coloured shape; the game's eponymous character is a simple red rectangle. Each shape has unique abilities; while all shapes can move left or right across platforms and perform jumps, the height of these jumps may be limited by the shape, or they may have other abilities, such as being able to float on water.