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A Delaunay triangulation in the plane with circumcircles shown. In computational geometry, a Delaunay triangulation or Delone triangulation of a set of points in the plane subdivides their convex hull [1] into triangles whose circumcircles do not contain any of the points; that is, each circumcircle has its generating points on its circumference, but all other points in the set are outside of it.
The "nine dots" puzzle. The puzzle asks to link all nine dots using four straight lines or fewer, without lifting the pen. The nine dots puzzle is a mathematical puzzle whose task is to connect nine squarely arranged points with a pen by four (or fewer) straight lines without lifting the pen or retracing any lines.
In mathematics (and more specifically geometry), a semicircle is a one-dimensional locus of points that forms half of a circle.It is a circular arc that measures 180° (equivalently, π radians, or a half-turn).
A demonstration of the Minangkabau style of silat.. Silat is the collective term for a class of martial arts from the Nusantara and surrounding geocultural areas of Southeast Asia.
Putrajaya Ring Road (Malay: Jalan Lingkaran Bandar) or Federal Route 30, is a major highway in Putrajaya, Malaysia.It connects Persiaran Selatan interchange in the west to Persiaran Timur interchange in the north.