christina72176 christina72176

11-06-2019
Mathematics

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Need help with this math question

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Аноним Аноним

11-06-2019

Answer:

83.0 degrees to the nearest tenth.

Step-by-step explanation:

17^2 = 8^2 + 16^2 - 2*8*16 cos X

cos X = (17^2 - 8^2 - 16^2) / - 2*8* 16

cos X = 0.12109

X = 83.04 degrees

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