What is the value of c?
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Round only your final answer to the nearest whole number.
Triangle A B C has angle C labeled 98.8 degrees with its opposite side labeled c. The side opposite angle B is labeled 10. The side opposite angle A is labeled 17.
We can use the Law of Cosines
c^2 = 10^2 + 17^2 - 2(10 * 17) cos (98.8)
c^2 = 441.015
c = sqrt (441.015) ≈ 21