Will someone please help me with number 13 and 14 ?
1 answer:
13. side a = 330, side b = 180
angle x = 180 - 25 = 155
side x = x^2 = a^2 + b^2 - 2ab*cos(x)
330^2 + 180^2 - 2(330)(180)*cos(155) = 498.6 = 499 miles
14. 72.1 degrees
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