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Sexagesimal, also known as base 60, [1] is a numeral system with sixty as its base. It originated with the ancient Sumerians in the 3rd millennium BC, was passed down to the ancient Babylonians , and is still used—in a modified form—for measuring time , angles , and geographic coordinates .
The Map Room is a room on the ground floor of the White House, the official home of the president of the United States. The Map Room takes its name from its use during World War II, when Franklin Roosevelt used it as a situation room where maps were consulted to track the war's progress (for such purposes, it was later replaced by the West Wing ...
Coordinate values (latitude, longitude, and altitude) should be delimited by spaces. The decimal point is a part of the value, thus must usually be configured by the operating system. [a] Multiple locations should be represented by multiple lines. Latitude and longitude should be displayed by sexagesimal fractions (i.e. minutes and seconds).
A longitude is thus specified in sexagesimal notation as, for example, 23° 27′ 30″ E. For higher precision, the seconds are specified with a decimal fraction . An alternative representation uses degrees and minutes, and parts of a minute are expressed in decimal notation, thus: 23° 27.5′ E. Degrees may also be expressed as a decimal ...
Aerial view of the White House complex, including Pennsylvania Avenue (closed to traffic) in the foreground, the Executive Residence and North Portico (center), the East Wing (left), and the West Wing and the Oval Office at its southeast corner. The White House is the official residence and workplace of the president of the United States.
Decimal degrees are an alternative to using sexagesimal degrees (degrees, minutes, and seconds - DMS notation). As with latitude and longitude, the values are bounded by ±90° and ±180° respectively. Positive latitudes are north of the equator, negative latitudes are south of the equator.
The White House is in the center. The New Executive Office Building ( NEOB ) is a U.S. federal government office building in Washington, D.C. , for the executive branch . The building is located at 725 17th Street NW , on the north side of Pennsylvania Avenue .
There are no explicit 60 hours; the number instead is 24, and yet they are part of an implied sexagesimal system. 60 minutes is implied by one of the 24 hours, not one of the 60. The system is not strictly sexagesimal but is based on the sexagesimal. A full Babylonian time determination also had three digits. [16]