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  1. L' hectare (symbole : ha) est une unité de mesure de superficie 1 valant 100 ares. Un hectare équivaut à une surface carrée de 100 mètres de côté, soit 10 000 mètres carrés . L'hectare ne fait pas partie du Système international d'unités (SI) mais son usage est accepté avec lui . Étymologie.

  2. www.wikiwand.com › en › HectareHectare - Wikiwand

    The hectare is a non-SI metric unit of area equal to a square with 100-metre sides (1 hm2), that is, 10,000 square meters, and is primarily used in the measurement of land. There are 100 hectares in one square kilometre. An acre is about 0.405 hectares and one hectare contains about 2.47 acres.

  3. Mar 2, 2024 · Définitions de « hectare » Hectare - Nom commun. (Métrologie) Unité de mesure pour les superficies, équivalant à 10 000 mètres carrés ou à cent ares. Non intégrée dans le Système international d'unités (SI), son usage y est néanmoins accepté. Symbole : ha.

  4. Mar 21, 2024 · The hectare is the standard metric unit for land measurement, widely used around the world. To visually grasp the size of a hectare, imagine a perfect square with sides measuring 100 meters each. This 100-meter square represents the size of one hectare, providing a tangible understanding of its dimensions.

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  6. Mar 19, 2024 · A hectare is a unit of area that measures 10,000 square meters or a square with 100-meter sides. A hectare is larger than an acre and about two-and-a-half times the size of an average football field. Familiar comparisons include the grassy area inside a 400-meter running track or the size of an international rugby field.

  7. Category:Hectare. From Wikimedia Commons, the free media repository. English: The hectare (symbol ha, ˈhɛktɛər or ˈhɛktɑːr) is a unit of area defined as 10,000 square metres, which is primarily used in the measurement of land.

  8. Nov 8, 2023 · Last year 1m square metres of plant-covered roofing was built in France, as much as in the US, and 10 times more than in Germany, the pioneer in this field. In Paris 22 hectares of roof have been planted, out of a potential total of 80 hectares.

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