B D^{2}=B C^{2}+C D^{2}=(12)^{2}+5^{2}=169 – InterviewSolution

1.	B D^{2}=B C^{2}+C D^{2}=(12)^{2}+5^{2}=169
Answer» BDBD=BCBC+CDCD =1212+55=144+25 =169=1313

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