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  2. City block - Wikipedia

    en.wikipedia.org/wiki/City_block

    A city block, residential block, urban block, or simply block is a central element of urban planning and urban design. In a city with a grid system, the block is the smallest group of buildings that is surrounded by streets. City blocks are the space for buildings within the street pattern of a city, and form the basic unit of a city's urban ...

  3. Inca kancha - Wikipedia

    en.wikipedia.org/wiki/Inca_kancha

    A kancha is an Inca rectangular or trapezoidal walled enclosure ... an area of about ... 195 Each rectangular block is surrounded by alleyways on all four sides and ...

  4. List of second moments of area - Wikipedia

    en.wikipedia.org/wiki/List_of_second_moments_of_area

    The following is a list of second moments of area of some shapes. ... A filled rectangular area with a base width of b and height h = = [4] A filled rectangular area ...

  5. Public Land Survey System - Wikipedia

    en.wikipedia.org/wiki/Public_Land_Survey_System

    Also known as the Rectangular Survey System, it was created by the Land Ordinance of 1785 to survey land ceded to the United States by the Treaty of Paris in 1783, following the end of the American Revolution.

  6. Lot and block survey system - Wikipedia

    en.wikipedia.org/wiki/Lot_and_block_survey_system

    The lot and block survey system is a method used in the United States and Canada to locate and identify land, particularly for lots in densely populated metropolitan areas, suburban areas and exurbs. It is sometimes referred to as the recorded plat survey system or the recorded map survey system .

  7. Glossary of architecture - Wikipedia

    en.wikipedia.org/wiki/Glossary_of_architecture

    A rectangular block under the soffit of the cornice of the Greek Doric temple, which is studded with guttae. It is supposed to represent the piece of timber through which the wooden pegs were driven in order to hold the rafter in position, and it follows the sloping rake of the roof. In the Roman Doric order the mutule was horizontal, with ...

  8. Concrete block - Wikipedia

    en.wikipedia.org/wiki/Concrete_block

    A pallet of "8-inch" concrete blocks An interior wall of painted concrete blocks Concrete masonry blocks A building constructed with concrete masonry blocks. A concrete block, also known as a cinder block in North American English, breeze block in British English, or concrete masonry unit (CMU), or by various other terms, is a standard-size rectangular block used in building construction.

  9. Slothouber–Graatsma puzzle - Wikipedia

    en.wikipedia.org/wiki/Slothouber–Graatsma_puzzle

    The best known example is the Conway puzzle which asks for the packing of eighteen convex rectangular blocks into a 5 x 5 x 5 box. A harder convex rectangular block packing problem is to pack forty-one 1 x 2 x 4 blocks into a 7 x 7 x 7 box (thereby leaving 15 holes); the solution is analogous to the 5x5x5 case, and has three 1x1x5 cuboidal ...