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Geometry: Isometries

IsometriesGeometryTransformationsIsometriesDilationsSymmetry The word isometry is used to describe the process of moving a geometric object from one place to another without changing its size or…

America’s Favorite Structures

The best architecture in the United States The Gateway Arch in St. Louis ranks #14 Related Links Structures and BuildingsFamous Buildings and…

Humboldt County, CA Census Data

California Humboldt County, California People QuickFactsHumboldt CountyCaliforniaPopulation, 2005 estimate 128,37636,132,147Population, percent change, April 1, 2000 to July 1, 2005 1.5%6.7%…

World's Tallest Buildings

The following table lists the tallest buildings in the world by height. The Burj Khalifa, completed in January 2010, tops the list. NOTE: This list includes only buildings.2 For towers,…