Question

To construct quadrilateral uniquely it is necessary to know at least dash - of its parts .​

Answer 1

Answer:

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in addition to these elements a quadrilateral has 2 diagonals which play an important role in determining the size and shape of an quadrilateral thus a quadrilateral has 10 elements ( 4 sides,4 angles and 2 diagonals) or measurements to construct a unique quadrilateral we need to know 5 measurements .

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