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Radusssid
[tex] \frac{a}{2} = \frac{b}{5} =k \\ a=2k \\ b=5k \\ ab=360 \\ 2k*5k=360 \\ 10 k^{2} =360 \\ k^{2} =36 \\ k=6 \\ a=2k=2*6=12 \\ b=5k=5*6=30[/tex]

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