A square hectare of land would have sides of how many metres each?
Hectare in bold. One hectare is also equivalent to: Hectare The hectare (; SI symbol: ha) is an SI accepted metric system unit of area equal to a square with 100-metre sides, or 10,000 m, and is primarily used in the measurement of land. There are 100 hectares in one square kilometre. An acre is about 0.405 hectare and one hectare contains about 2.47 acres. In 1795, when the metric system was introduced, the "are" was defined as 100 :square metres and the hectare ("hecto-" + "are") was thus 100 "ares" or km. When the metric system was further rationalised in
Hectare names of traditional land measures are usually used, redefined as one decare: The hectare (), although not a unit of SI, is the only named unit of area that is accepted for use within the SI. In practice the hectare is fully derived from the SI, being equivalent to a square hectometre. It is widely used throughout the world for the measurement of large areas of land, and it is the legal unit of measure in domains concerned with land ownership, planning, and management, including law (land deeds), agriculture, forestry, and town planning throughout the European Union. The United Kingdom,