In a quadrilateral ABCD, `angleB=90^(@) and AD^(2)= AB^(2) + BC^(2)+CD^(2)` prove that ` angleACD=
Channel: Doubtnut
Date: 27/12/2019

In a quadrilateral ABCD, `angleB=90^(@) and AD^(2)= AB^(2) + BC^(2)+CD^(2)` prove that ` angleACD= 90^(@)` .

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