Assume That the Cities Lie on the Same North-South Line $28 ^ { \circ } \mathrm { N }$

Multiple Choice

Assume that the cities lie on the same north-south line and that the radius of the earth is 6400 km.
-Find the distance between City A, $28 ^ { \circ } \mathrm { N }$ and City B, $14 ^ { \circ } \mathrm { N }$ . (Round to the nearest kilometer.)

A) $1606 \mathrm {~km}$
B) $1564 \mathrm {~km}$
C) $1578 \mathrm {~km}$
D) $1536 \mathrm {~km}$