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den 4. maj 2024 · The smallest (and unique up to rotation and reflection) non-trivial case of a magic square, order 3. In recreational mathematics, a square array of numbers, usually positive integers, is called a magic square if the sums of the numbers in each row, each column, and both main diagonals are the same.
3 dage siden · The Pythagorean theorem is a special case of the more general theorem relating the lengths of sides in any triangle, the law of cosines, which states that. where is the angle between sides and . [45] When is radians or 90°, then , and the formula reduces to the usual Pythagorean theorem.
- The sum of the areas of the two squares on the legs (a and b) equals the area of the square on the hypotenuse (c).
- Theorem
3 dage siden · A Russian Kilo-class submarine underway on the surface. The Kilo-class submarines are a group of diesel-electric attack submarines designed by the Rubin Design Bureau [1] [2] [3] in the Soviet Union in the 1970s and built originally for the Soviet Navy . The first version had the Soviet designation Project 877 Paltus ( Russian: Па́лтус ...
for 1 dag siden · On April 18, 2011, the Boston Marathon produced what were at that time the two fastest marathon performances of all time. Winner Geoffrey Mutai of Kenya recorded a time of 2:03:02, [32] followed by countryman Moses Mosop in 2:03:06. However, since the Boston course does not meet the criteria for record attempts, these times were not ratified by ...
2 dage siden · The name Kilmarnock comes from the Gaelic cill ( cell ), and the name of Saint Marnock or Mernoc who is also remembered in the name of Portmarnock in Ireland and Inchmarnock. It may come from the three Gaelic elements mo, 'my', Ernán (name of the saint) and the diminutive ag, giving Church of My Little Ernán.
2 dage siden · The Paris Métro ( French: Métro de Paris [metʁo də paʁi]; short for Métropolitain [metʁɔpɔlitɛ̃] ), operated by the Régie autonome des transports parisiens ( RATP ), is a rapid transit system in the Paris metropolitan area, France. A symbol of the city, it is known for its density within the capital's territorial limits, uniform ...
2 dage siden · Antoine Marie Jean-Baptiste Roger, comte de Saint-Exupéry, known simply as Antoine de Saint-Exupéry (UK: / ˌ s æ̃ t ɪ ɡ ˈ z uː p ɛr i /, US: /-ɡ z uː p eɪ ˈ r iː /, French: [ɑ̃twan də sɛ̃t‿ɛɡzypeʁi]; 29 June 1900 – c. 31 July 1944), was a French writer, poet, journalist and aviator.
