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DochEvi [55]
3 years ago
7

❤️❤️help please ASAP ❤️❤️

Mathematics
1 answer:
iris [78.8K]3 years ago
5 0
You need the Law of Cosines here, since you only have 1 angle measure.  If you had 2 you could use the Law of Sines, but nevertheless, we'll get there.  The Law of Cosines for our particular set of info looks like this: x^2=65^2+41^2-2(65)(41)cos(35).  Simplifying a bit we get x^2=4225+1681-4366.080396 and x^2=1539.9196.  Taking the square root of that and considering the principle root only, x = 39.2, second choice down.
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