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Mathematics, 11.07.2019 18:00 mcdowelle360

The law of cosines is used to find the measure of z. 162 = 182 + 192 – 2(18)(19)cos(z) 256 = 324 + 361 – (684)cos(z) 256 = 685 – (684)cos(z) –429 = –(684)cos(z) to the nearest whole degree, the measure of z is degrees.

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The law of cosines is used to find the measure of z. 162 = 182 + 192 – 2(18)(19)cos(z) 256 = 324 + 3...
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