A class teacher gave students coloured paper made by recycling of waste products in shape of quadrilateral. She asked them to make a parallelogram from it using paper folding Then, prove that it is a parallelogram.
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to prove that it is a parallelogram.we must know about the properties of parallelogram i.e opposite side are equal and parallel.angles at vertices are not perpendicular.diagonals bisects each other.opposite angles are equal and sum of adjacent angles is 180.check these properties to that give paper is parallelogram.
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