Lnjayy
21.06.2019 •
Mathematics
Suppose a triangle has two sides of length 32 and 35, and that the angle between these two sides is 120°. which equation should you solve to find the length of the third side of the triangle?
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Ответ:
you would use (d.) the law of cosines or a^2 = b^2 + c^2 – 2bc(cos a)
, b^2 = a^2 + c^2 – 2ac(cos b), or c^2 = a^2 + b^2 - 2ab(cos c). you wouldn't use b. the law of sines as it is mostly effective when 1side and 2angles are given. a and c aren't the answer for they are the improper versions of the law of cosines. hope this is .
Ответ: