Os raios das circunferências de centros A e B medem, respectivamente, 8 cm e 3 cm e a distância entre os
Os raios das circunferências de centros A e B medem, respectivamente, 8 cm e 3 cm e a distância entre os centros, 13 cm. Calcule a medida de PQ, sendo P e Q pontos de tangência. a13
b5
c6
d12
e8
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