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In quadrilateral abcd,< b = 90° …

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In quadrilateral abcd,< b = 90° and ad sqare = bc sqaur + ab sqare + cd sqare then prove that angle acd=90°

    • Posted by Jyoti Rawat 5 years, 4 months ago

    CBSE > Class 10 > Mathematics
    • 1 answers

    Yaar 5 years, 4 months ago

    ac^2 = ab^2 + bc^2........1 Given that ad square = bc square + ab square + cd square ...........2 Put 1st into 2nd ad square = cd square + ac square By pytha gorgeous theorm angle acd is 90°

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