The diagram shows triangle $$\(A B C\)$$ Diagram NOT accurately drawn $$\(c=11.5\)$$ correct to one decimal place $$\(x=80 \quad\)$$ correct to the nearest whole number $$\(y=75 \quad\)$$ correct to the nearest whole number Calculate the upper bound for the value of $$\(b\)$$ Show your working clearly. Give your answer correct to 3 significant figures.

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