Question

descubra o valor do x
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Answer 1

sen 120° ≡ sen 60°

Lei dos senos:

100 / sen 45° = x / sen 60°

100 / √2/2 = x / √3/2

200 / √2 = 2x / √3

200 √3 = 2x √2

100 √3 = x √2

x = 50√6 m