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In Figure, X is a point in the interio...

In Figure, `X` is a point in the interior of square `A B C Ddot\ \ A X Y Z` is also a square. If `D Y=3\ c m\ a n d\ A Z=2\ c m ,` then `B Y=`
(a) `5 cm`
(b) `6 cm`
(c) `7 cm`
(d) `8 cm`

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