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- Dictionaryrectangle/ˈrɛktaŋɡl/
noun
- 1. a plane figure with four straight sides and four right angles, especially one with unequal adjacent sides, in contrast to a square.
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noun
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In Euclidean plane geometry, a rectangle is a rectilinear convex polygon or a quadrilateral with four right angles. It can also be defined as: an equiangular quadrilateral, since equiangular means that all of its angles are equal (360°/4 = 90°); or a parallelogram containing a right angle. A rectangle with four sides of equal length is a square. The term "oblong" is used to refer to a non-square r... Wikipedia