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The square yard (Northern India: gaj) is an imperial unit of area, formerly used in most of the English-speaking world but now generally replaced by the square metre, however it is still in widespread use in the U.S., Canada and the U.K. It is defined as the area of a square with sides of one yard (three feet, thirty-six inches, 0.9144 metres) in length. ==Symbols== There is no universally agreed symbol but the following are used: *square yards, square yard, square yds, square yd *sq yards, sq yard, sq yds, sq yd, sq.yd. *yards/-2, yard/-2, yds/-2, yd/-2 *yards^2, yard^2, yds^2, yd^2 *yards², yard², yds², yd² (Canada has converted to the metric system for most purposes (in the 1970s) with some use of non-metric units and standards remaining in some sectors of the Canadian economy. This is mainly due to historical ties with the United Kingdom, the traditional use of the imperial system of measurement in Canada, and close proximity to the United States). 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Square yard」の詳細全文を読む スポンサード リンク
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