cupcake365 cupcake365

05-04-2018
Mathematics

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Will someone please help me with number 13 and 14 ?

Will someone please help me with number 13 and 14 class=

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musiclover10045 musiclover10045

05-04-2018

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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