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nandofilho10 $Cos 30^0 = \frac{rx}{15}$

$\frac{ \sqrt{3} }{2} = \frac{rx}{15}$

$rx = 7,5 . \sqrt{3} m$

$seno 30^0 = \frac{ry}{15}$

$\frac{1}{2} = \frac{ry}{15}$

ry = 7,5 m

Letra E)

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