5+root 5 5-root 5 find the answeres
2 answers:
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Use the law of cosines to find a: 
So to use the given numbers you get:
Which would come out to equal about 35.94
so a=35.9
So to use the given numbers you get:
Which would come out to equal about 35.94
so a=35.9
The answer is C and here are the steps
