Locating Positions and Calculating Distances on Earth

What this note covers

1. The Coordinate System: Latitude and Longitude
2. Great Circles and Small Circles
3. Distance Along Lines of Longitude (Meridians)
4. Distance Along Lines of Latitude (Parallels)
5. Selecting the Correct Formula: A Decision Framework
6. Practical Problems: Australian and Global Contexts
7. Worked Examination-Style Question with Full Solution

7 sections · 12 key terms & formulas · 6 common mistakes