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Name _____________________________
Date ___________________

The Law of Cosines
(Answer ID # 1073021)
Use the law of cosines to find all of the unknown sides and angles in each triangle.

1.  
S = 74
BS
  =  37.6
ST
  =  15.2
2.  
AK
  =  117
AB
  =  145.5
BK
  =  58.5
3.  
KU
  =  79.9
KH
  =  174.6
HU
  =  148.6
4.  
FX
  =  18.2
FE
  =  16.6
EX
  =  10.6
5.  
B = 106
ZB
  =  168
KB
  =  72
6.  
Q = 41
HQ
  =  58.7
QC
  =  65.3
7.  
RV
  =  118
RL
  =  90
LV
  =  46
8.  
K = 88
DK
  =  13.5
RK
  =  29.5
9.  
XM
  =  84
XK
  =  75
KM
  =  59.3

 

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