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Date: 15-6-2019
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Date: 20-7-2019
2014
Date: 18-9-2019
1195
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A number taken to the power 2 is said to be squared, so is called " squared." This terminology derives from the fact that the area of a square of edge length is given by , hence the operation taking a square's edge length to its area is known as "squaring" and the quantity derived from by squaring is known as " squared."
Not that the term "squaring" also refers to the geometric construction, using only compass and straightedge, of a square which has the same area as a given geometric figure.
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دراسة تحدد أفضل 4 وجبات صحية.. وأخطرها
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