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In a quadrilateral A B C D , /B=90o ,...

In a quadrilateral `A B C D` , `/_B=90o` , `A D^2=A B^2+B C^2+C D^2` , prove that `/_A C D=90o`

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In a quadrilateral ABCD,/_B=90o. If AD^(2)=AB^(2)+BC^(2)+CD^(2) then prove that /_ACD=90o .

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RD SHARMA-TRIANGLES-All Questions
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  3. In a quadrilateral A B C D , /B=90o , A D^2=A B^2+B C^2+C D^2 , pro...

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