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6: 60° The sextant was the unit used by the Babylonians, [26] [27] The degree, minute of arc and second of arc are sexagesimal subunits of the Babylonian unit. It is straightforward to construct with ruler and compasses. It is the angle of the equilateral triangle or is 1 / 6 turn. 1 Babylonian unit = 60° = π /3 rad ≈ 1.047197551 ...
Geometry (from Ancient Greek γεωμετρία (geōmetría) 'land measurement'; from γῆ (gê) 'earth, land' and μέτρον (métron) 'a measure') [1] is a branch of mathematics concerned with properties of space such as the distance, shape, size, and relative position of figures. [2]
The point stabilizer is O(3, R), and the group G is the 6-dimensional Lie group R 3 × O(3, R), with 2 components. Examples are the 3-torus, and more generally the mapping torus of a finite-order automorphism of the 2-torus; see torus bundle. There are exactly 10 finite closed 3-manifolds with this geometry, 6 orientable and 4 non-orientable.
Chegg, Inc., is an American education technology company based in Santa Clara, California.It provides homework help, digital and physical textbook rentals, textbooks, online tutoring, and other student services.
When a geometry is described by a set of axioms, the notion of a line is usually left undefined (a so-called primitive object). The properties of lines are then determined by the axioms which refer to them. One advantage to this approach is the flexibility it gives to users of the geometry.
Two people are dead after a plane crashed into a building near the Daniel K. Inouye International Airport in Honolulu, according to reports. At around 3:15 p.m. local time on Tuesday, Kamaka Air ...
A report from the U.S. surgeon general suggested that labels on alcoholic drinks should warn about cancer risk. Doctors expressed their agreement. For people wondering about the long-term damage ...
A startup or start-up is a company or project undertaken by an entrepreneur to seek, develop, and validate a scalable business model. [1] [2] While entrepreneurship includes all new businesses including self-employment and businesses that do not intend to go public, startups are new businesses that intend to grow large beyond the solo-founder. [3]