SOLUTION: Find the length of side x. Round to the nearest tenth. https://www.webassign.net/waplots/f/8/6b1470a5ffaedb8c0a3c336fa6cf88.gif

Algebra ->  Trigonometry-basics -> SOLUTION: Find the length of side x. Round to the nearest tenth. https://www.webassign.net/waplots/f/8/6b1470a5ffaedb8c0a3c336fa6cf88.gif      Log On


   



Question 1204599: Find the length of side x. Round to the nearest tenth.
https://www.webassign.net/waplots/f/8/6b1470a5ffaedb8c0a3c336fa6cf88.gif

Answer by math_tutor2020(3817) About Me  (Show Source):
You can put this solution on YOUR website!

Law of Cosines
c^2 = a^2 + b^2 - 2*a*b*cos(C)
x^2 = (6.5)^2 + 5^2 - 2*6.5*5*cos(74)
x^2 = 49.3336
x = sqrt(49.3336)
x = 7.0238
x = 7.0