right-angled triangle

noun

Definition of right-angled triangle

British

  1. :  a triangle that has a right angle

Word by Word Definitions

triangleplay
  1. :  a polygon having three sides — compare spherical triangle

    :  a percussion instrument consisting of a rod of steel bent into the form of a triangle open at one angle and sounded by striking with a small metal rod

    :  a drafting instrument consisting of a thin flat right-angled triangle of wood or plastic with acute angles of 45 degrees or of 30 degrees and 60 degrees


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