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13 February, 06:32

Suppose a triangle has two sides of length 33 and 37, and the angle between these two sides is 120 degrees what is the length of the third side of the triangle

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  1. 13 February, 06:47
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    By the Law of Cosines

    s^2=33^2+37^2-2*33*37cos120

    s=√ (2458-2442cos120)

    s≈60.65 (to nearest hundredth)
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