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A

B

C

D

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β

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QUADRILATERALS


Quadrilaterals are flat shapes that have four straight sides, two of which intersect the other two. In other words they have four sides and four angles and the sum of the angles is 360º. We label tha vertices with capital letters A, B, C, D, and the angles with greek letters and the sides are AB, BC, CD and DA. The diagonal of a quadrilateral is a straight line between two non consecutive vertices.


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Quadrilaterals

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