Lista de exercícios do ensino médio para impressão

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AB is the diameter of the circle whose center is O and the triangle ABC is inscribed in. The quotient $\,\dfrac{s}{S}\,$ where the area $\,s\,$ of the triangle ACO is divided by the area $\,S\,$ of the triangle COB is:

a)

$\,\dfrac{5}{4}\,$

b)

$\,\dfrac{4}{3}\,$

c)

$\,\dfrac{3}{4}\,$

d)

$\,1\,$

e)

$\,\dfrac{\sqrt{3}}{2}\,$