Answer :

Here ABCD is parallelogram.


We know that the opposite sides of a parallelogram are parallel and equal.


Hence, AB = DC = 9.5 cm


Also let BC = AD = x cm


Now,


Perimeter of ABCD = 30 cm …(given)


AB + BC + CD + DA = 30 cm


9.5 + x + 9.5 + x = 30


19 + 2x = 30
2x = 11
x = 5.5 cm


Hence, length of each side is AB = DC = 9.5 cm and BC = DA = 5.5 cm


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