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A polygon with four sides and four right angles has one side of 6 mm. If the area of the polygon is 42 mm2, would the polygon be
A polygon with four sides and four right angles has one side of 6 mm. If the area of the polygon is 42 mm2, would the polygon be
admin
2013-02-19
28
问题
A polygon with four sides and four right angles has one side of 6 mm. If the area of the polygon is 42 mm
2
, would the polygon be considered a square or a rectangle?
选项
答案
42 mm
2
解析
A square is a special kind of rectangle. All of its sides are equal in length. Since the area of a rectangle is area = 1 × w, the area of a square would be area = s
2
(side squared)because length and width are equal. For this problem, the given side is 6 mm. If the figure were a square, the area would be 36 mm
2
. However, the area is said to be 42 mm
2
. Therefore the shape is a rectangle and not a square.
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