Distances Between Waypoints: the Flat Local Rule and the Haversine Formula
This lesson is part of the course
In this lesson
You split five legs into kilometres north and east, combine them into a flat distance with SQRT and compare it with the haversine distance on a sphere.
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Lessons in this course
- Coordinate Formats: Decimal Degrees, Degrees-Minutes and Degrees-Minutes-Seconds Locked
- What a Digit Is Worth: Metres per Minute of Latitude and Longitude Locked
- Distances Between Waypoints: the Flat Local Rule and the Haversine Formula Locked
- Bearings by Hand: ATAN, Quadrant Correction, MOD 360 and Compass Points Locked
- Waypoint Projection: a New Point from Distance and Bearing with the Flat Rule Locked
- Puzzle Clues: Digit Sums, Digital Roots and Letter Values from a Table Locked
- Multi-Stage Hunts: Stage Values into the Final Formula and a Radius Check Locked
- Capstone: How a Wrong Digit Moves the Final, a Found / Not-Found Log and a Chart Locked