English, asked by apsirajbava, 1 year ago

ABCD is a rhombus and its diagonals meet at O, show that: AD²+DC²+CB²+BA²=4DO²+4AO²

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Answered by Dushish

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ABCD is a rhombus and its diagonals meet at O show that 80 square + BC square + b square + b square is equal 4D square + 4 square

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