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If the diagnols of a parallelogram …

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If the diagnols of a parallelogram are equal,then show that it Is a rectangle

    • Posted by Ravneet Kaur 2 years, 7 months ago

    CBSE > Class 09 > Mathematics
    • 1 answers

    K_Hushii 🍁 2 years, 7 months ago

    Given ABCD is a //gm and AC = BD , to prove ABCD is a rectangle, proof in ∆ABD &∆ BCD (by sss) then B+C = 180, 2B = 180, B= 180/2 = 90, A=D =90

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