Answer properly the law of cosines is used to find the measure of z.
16 squared = 18 squ...
Mathematics, 03.02.2020 18:47 dayanaraa61
Answer properly the law of cosines is used to find the measure of z.
16 squared = 18 squared + 19 squared – 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.
Answers: 1
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