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Circulo Verde is a mixed-use development in Quezon City, Metro Manila, the Philippines. It is a primarily residential enclave on a meander of the Marikina River in the village of Bagumbayan on Quezon City's border with Pasig. The 12.47-hectare (30.8-acre) riverfront community is a redevelopment of the former cement plant owned by Concrete ...
Great-circle navigation. Great-circle navigation or orthodromic navigation (related to orthodromic course; from Ancient Greek ορθός (orthós) 'right angle' and δρόμος (drómos) 'path') is the practice of navigating a vessel (a ship or aircraft) along a great circle. Such routes yield the shortest distance between two points on the globe.
A great circle divides the sphere in two equal hemispheres. In mathematics, a great circle or orthodrome is the circular intersection of a sphere and a plane passing through the sphere's center point. [ 1][ 2] Any arc of a great circle is a geodesic of the sphere, so that great circles in spherical geometry are the natural analog of straight ...
Spieker circle. In geometry, the incircle of the medial triangle of a triangle is the Spieker circle, named after 19th-century German geometer Theodor Spieker. [1] Its center, the Spieker center, in addition to being the incenter of the medial triangle, is the center of mass of the uniform-density boundary of triangle. [1]
e. Squaring the circle is a problem in geometry first proposed in Greek mathematics. It is the challenge of constructing a square with the area of a given circle by using only a finite number of steps with a compass and straightedge. The difficulty of the problem raised the question of whether specified axioms of Euclidean geometry concerning ...
Frequently, especially in trigonometry, the unit circle is the circle of radius 1 centered at the origin (0, 0) in the Cartesian coordinate system in the Euclidean plane. In topology, it is often denoted as S1 because it is a one-dimensional unit n -sphere. [ 2][ note 1]
Twelve-Mile Circle. Diagram of the Twelve-Mile Circle, the Mason-Dixon Line, and The Wedge. The diagram shows the survey lines involved in the disputes, not current borders. The Twelve-Mile Circle is an approximately circular arc that forms most of the boundary between Delaware and Pennsylvania. It is a combination of different circular arcs ...
Inferno ( Italian: [iɱˈfɛrno]; Italian for ' Hell ') is the first part of Italian writer Dante Alighieri 's 14th-century narrative poem The Divine Comedy. It is followed by Purgatorio and Paradiso. The Inferno describes the journey of a fictionalised version of Dante himself through Hell, guided by the ancient Roman poet Virgil.