December 2019 1 65 Report
Se um cateto e a hipotenusa de um triângulo retângulo medem 3a e 6a, respectivamente, então a tangente do ângulo oposto ao menor lado é:

A)  \frac{3}{5}
B)  \frac{1}{2}
C)  \frac{6}{5}
D)  \frac{5}{3}
E)  \frac{5}{6}

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