prove that sum of squares of diagonals of parallelogram is equal to the sum of the squares of itssides
Written on Jan. 26, 2020, 5:12 a.m.
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Answer of this question
geometry
Andrzej Kozlowski
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prove that sum of squares of diagonals of parallelogram is equal to the sum of the squares of itssides
Written on Jan. 26, 2020, 5:12 a.m.