Kellyrichter Kellyrichter

05-10-2017
Mathematics

contestada

A triangle has two side lengths of 3 and 4 and the angle between them is 60 degrees. What is the length of the third side

Respuesta :

08-10-2017

Using the Law of Cosines, a^2 = b^2 + c^2 -2bcCos(60)
a^2 = 19
a = 4.36

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