Dymaxion map of the world with the 30 largest countries and territories by area This is a list of the world's countries and their dependencies, ranked by total area, including land and water. This …

Greater Los Angeles is the most populous metropolitan area in the U.S. state of California, encompassing five counties in Southern California extending from Ventura County in the west …

The New York metropolitan area, also called the Tri-State area and sometimes referred to as Greater New York or Metro New York, is the largest metropolitan economy in the world, with a …

Alaska is the largest U.S. state by area, comprising more total area than the following three largest states of Texas, California, and Montana combined, and is the seventh-largest …

Perimeter is the distance around the outside of a shape. For example, if you walk around the edge of a playground, you're measuring its perimeter. Area is the amount of space inside a shape. …

Australia, officially the Commonwealth of Australia, is a country comprising the mainland of the Australian continent, the island of Tasmania and numerous smaller islands. [N 6] It has a total …

Khan Academy ... Khan Academy

Dallas-Fort Worth Metroplex The United States Census Bureau determined the Metroplex encompasses 9,286 square miles (24,100 km 2) of total area; 8,991 sq mi (23,290 km 2) is …

California (/ ˌkælɪˈfɔːrniə /) is a state in the Western United States that lies on the Pacific Coast. It borders Oregon to the north, Nevada and Arizona to the east, and shares an international …