sarahishere68338 sarahishere68338

21-08-2018
Mathematics

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Math question please help
If you get this question right I will mark you as a brainliest

Math question please help If you get this question right I will mark you as a brainliest class=

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musiclover10045 musiclover10045

21-08-2018

Law of cosines:

b^2 = a^2+c^2 -2*a*c*cos(B)

b^2 = 400^2 + 240^2 - 2*400*240*cos(16)

b^2 = 217600 - 184562.25

b^2 = 33037.75

b = sqrt(33037.75)

b = 181.76 = 181.8 yds.

The answer is D.

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