4.13 Quiz Law Of Cosines

Question: What is the length of MN, to the nearest tenth of a foot?

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Answer: 14.7 ft

Question: What is the length of PQ?

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Answer: 5.2 km

Question: What is the measure of ∠A, to the nearest degree?

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Answer: 33°

Question: What is the measure of ∠W, rounded to the nearest degree?

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Answer: 71°

Question: A triangle has sides of length 7 cm, 12 cm, and 15 cm.

What is the measure of the angle opposite the side that is 7 cm long? Round to the nearest degree.

Answer: 27°

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