Name: 
 

Law of Cosines 4



 1 

In mc001-1.jpg, mc001-2.jpg, mc001-3.jpg, and mc001-4.jpg, as shown in the diagram below.  What is the mc001-5.jpg, to the nearest degree?

mc001-6.jpg
a)
53
c)
67
b)
59
d)
127
 

 2 

To the nearest degree, what is the measure of the largest angle in a triangle with sides measuring 10, 12, and 18 centimeters?
a)
109
c)
71
b)
81
d)
32
 



 
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