1. Latitude and Longitude
Lesson 10.7
Latitude and Longitude pp

2. Objectives:
1. To define latitude and longitude as a means of global positioning.
2. To identify cities and countries given their latitude and longitude.
3. To relate terms on a sphere to global positioning via latitude and longitude.

3. International
Date Line
Greenwich,
England
equator
prime
meridian

4. Northern Hemisphere

5. Southern Hemisphere

6. Eastern
Hemisphere

7. Western
Hemisphere

8. longitudinal
lines

9. longitudinal
lines
ALL longitudinal lines are great circles!

10. latitudinal
lines
Latitudinal lines are not congruent!

11. All longitudinal lines are great circles
All longitudinal lines are great circles. The equator is the only latitudinal line that is a great circle.

12. Latitude is the degree measure of the arc from the equator to a particular location.
Longitude is measured according to degree measure east or west from the prime meridian.

13. International Date Line west east equator prime meridian Greenwich,
England
east
west
equator

14. International Date Line north equator south prime meridian Greenwich,
England
south
north
equator

15. Homework pp

16. ■ Cumulative Review
27. The average radius of the earth is 3953 miles. Find the surface area to the nearest million square miles.

17. ■ Cumulative Review 28. two circles
Give a condition for the congruence of each pair of figures.
28. two circles

18. ■ Cumulative Review 29. two parallelograms
Give a condition for the congruence of each pair of figures.
29. two parallelograms

19. ■ Cumulative Review 30. two segments
Give a condition for the congruence of each pair of figures.
30. two segments

20. ■ Cumulative Review 31. two cubes
Give a condition for the congruence of each pair of figures.
31. two cubes