Mathematics, 22.05.2020 23:03 kaliyab191

Triangle J K L is shown. The length of J K is 13, the length of K L is 11, and the length of L J is 19.
Law of cosines: a2 = b2 + c2 – 2bccos(A)

Find the measure of AngleJ, the smallest angle in a triangle with sides measuring 11, 13, and 19. Round to the nearest whole degree.

30°
34°
42°
47°

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Triangle J K L is shown. The length of J K is 13, the length of K L is 11, and the length of L J is...