# Parallelogram Law

**parallelogram **law is a part of elementary geometry. It states that “the sum of the squares of the lengths of the two diagonals of a parallelogram is same as the sum of the squares of the lengths of its four sides.”

**parallelogram **law is a part of elementary geometry. It states that “the sum of the squares of the lengths of the two diagonals of a parallelogram is same as the sum of the squares of the lengths of its four sides.”

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