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5 September, 06:19

Law of cosines: a2 = b2 + c2 - 2bccos (a) what is the value of s to the nearest whole number? 10 12 13 14

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  1. 5 September, 08:08
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    The correct answer wasn't 12. I just used pythagoreans's theorem, which only applies when used on right triangles. It's actually rounded to 14, because of the angle skewing the length of the hypotenuse.
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