METRE (m) : SI unit length equal to the path length traveled in vacuum by light for a duration of 1/299,792,458 th of a second.
₪ Multiples | megameter (Mm) Kilometer (km) Hectometre (hm) Décameter (dam) |
₪ Submultiples | Decimètre (dm) Centimèter (cm) Millimeter (mm) Micrometer (μm) Nanometer (nm) |
₪ 2.2 Surfaces
₪ METRE-CARRE (m²)
₪ HECTARE (ha)
₪ Area equal to 100 × 100 m i.e. 10 000 m²
₪ 2.3 Angles
₪ RADIAN : (rad ou rd) unité SI unit. The tradin is a geometric unit of plane angle of the SI.
₪ DEGREE : (°) its value in SI.unit. is π / 180 rad
₪ GRADE : (gon) its value in SI.unit. is π / 200 rad
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