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let l be fixed line. ABCD be a square having a fixed side length , moving such that its vertex D is at a fixed point on the line l and such that the square is on one side of the line l.let A,C be the feet of the perpendiculars of A and C on l respectively. then AAD and DCC are congruent if angle BDA =

let l be fixed line. ABCD be a square having a fixed side length , moving such that its vertex D is at a fixed point on the line l and such that the square is on one side of the line l.let A,C be the feet of the perpendiculars of A and C on l respectively. then AAD and DCC are congruent if angle BDA =

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1 Answers

Arun Kumar IIT Delhi
askIITians Faculty 256 Points
8 years ago
Congruency is established when corresponding sides andcorrespondingangles are equal.

So, BDA=90


Arun Kumar
IIT Delhi
Askiitians Faculty

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