Law of cosines: a²=b²+ c²-2bccos(A) Find the measure of ∠Q, the smallest angle in a triangle whose sides have lengths 4, 5, and

Question

Law of cosines: a²=b²+ c²-2bccos(A)
Find the measure of ∠Q, the smallest angle in a triangle whose sides have lengths 4, 5, and 6. Round the measure to the nearest whole degree.
34°
41°
51°
56°

Kunduz · Accepted Answer

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