MATH 117 Practice 1 Earth`s radius is about 3963.2 miles. (a) Find

MATH 117
Practice 1
Earth’s radius is about 3963.2 miles.
(a) Find the direct East-West distance between points in the Northern Hemisphere
located at:
32º N, 14º 50" W and 32º N, 30º 22" E
!
!
!
!
(b) Find the direct East-West distance between points in the Southern Hemisphere
located at:
18º 42" S, 30º 12" W and 18º 42" S, 14º 54 " W
!
!
!
!