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12 Ресурс 1.svg
\(\triangle ABC\) is right-angled at \(A\), and \(AD\) \(\perp\) \(CB\).
 
If \(AC\) \(=\) 6.5 \(cm\), \(AD\) \(=\) 3.2 \(cm\) and \(BD\) \(=\) 5.3 \(cm\), then the value of \(AB\) is