(A) 40
(B) 60
(C) 80
(D) 100
The answer is: (B) 60
A geographical mile is defined as the length of one minute of arc along the equator. Therefore, one degree of longitude along the equator is equal to 60 geographical miles.
(A) 40
(B) 60
(C) 80
(D) 100
The answer is: (B) 60
A geographical mile is defined as the length of one minute of arc along the equator. Therefore, one degree of longitude along the equator is equal to 60 geographical miles.