EASA NAV(A)basic
What is the difference in latitude between A (12°53′30″N) and B (07°34′30″S)?
Answer
20°28′00″
Explanation
Because the positions are in opposite hemispheres, their latitudes are added: 12°53′30″ + 7°34′30″ = 20°28′00″. Subtraction would be used for latitudes in the same hemisphere. **Key takeaway:** Add latitude magnitudes when the points lie on opposite sides of the equator. **Glossary:** **Latitude**: Angular distance north or south of the equator; **hemisphere**: One half of Earth divided by the equator.
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