srslymontana
srslymontana
28-03-2017
Mathematics
contestada
PLS HELP ASAP
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daniel42steelers
daniel42steelers
28-03-2017
doing the math i got 82.3 but please check in with someone else
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Аноним
Аноним
28-03-2017
The answer is A.80.3
equation to use is C=cos^-1 [a^2+B^2+-2^2 /2ab
A=21
B=33
C=36
21^2+33^2-36^2
21^2=441
33^2=1089
36^2=1296
441+1089=1530
1530-1296=234
234/2=117
cos^-1*117=80.28
rounded gives you 80.3, hope this helps :D
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