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About: T puzzle     Goto   Sponge   NotDistinct   Permalink

An Entity of Type : yago:WikicatPuzzles, within Data Space : dbpedia.demo.openlinksw.com associated with source document(s)

Type: yago:WikicatCognitiveTestsyago:WikicatTilingPuzzlesyago:Abstraction100002137yago:Cognition100023271yago:Communication100033020yago:Contest107456188yago:Event100029378yago:Experiment105798043yago:Game100456199yago:HigherCognitiveProcess105770664yago:Inquiry105797597yago:Message106598915yago:Problem106784003yago:ProblemSolving105796750yago:Process105701363yago:PsychologicalFeature100023100yago:Puzzle106784639yago:Question106783768yago:YagoPermanentlyLocatedEntityvideo gameyago:SocialEvent107288639yago:Subject106599788yago:Thinking105770926yago:Trial105799212yago:WikicatPuzzles New Facet based on Instances of this Class

The T puzzle is a tiling puzzle consisting of four polygonal shapes which can be put together to form a capital T. The four pieces are usually one isosceles right triangle, two right trapezoids and an irregular shaped pentagon. Despite its apparent simplicity, it is a surprisingly hard puzzle of which the crux is the positioning of the irregular shaped piece. The earliest T puzzles date from around 1900 and were distributed as promotional giveaways. From the 1920s wooden specimen were produced and made available commercially. Most T puzzles come with a leaflet with additional figures to be constructed. Which shapes can be formed depends on the relative proportions of the different pieces.