100 POINTS ANSWER!!!!
9
Find the area (in terms of л) of a sector that has a central angle of 45° and a radius r = 12in.
12in
0
9. Two cities are on the same longitude. One is situated at latitude 15°20' and the other at 50°12'.
If the radius of the earth is about 3690mi, find the distance (to the nearest mile) between the
two cities.
G
50°12'
15°20'
10. If the radius of the Earth is approximately 3690 miles, find the distance (to the nearest mile)
between two cities that are on the same longitude, but where City A is 30°16'North of the
equator and city B 42°30'15" South of the equator.
B
A