Refer to right triangle ABC with 
.
?
?
If 
and 
cm, find b.
?
Round the answer to the nearest hundredth.
?
A. 2.12 cm
B. 2.27 cm
C. 2.18 cm
D. 2.21 cm
E. 2.33 cm
Answer: D
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, 
< ? < 2?Find cos 
.
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C. - 
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