Assume that the cities lie on the same north-south line and that the radius of the earth is 6400 km. Find the latitude of Spokane, WA if Spokane and Jordan Valley, OR, 
are 
apart.
A. 52.46 °N
B. 39.5 °N
C. 38.8 °N
D. 47.5 °N
Answer: D
Mathematics
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A. 
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B. 
, 
, 
, 
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, 
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