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(For this question use Annex 061-600199).
Which figure in the diagram represents the geographic latitude of position P, which is situated above the surface of the ellipsoid?
  • A
    Figure A
  • B
    Figure D
  • C
    Figure C
  • D
    Figure B

For a start, it has a Legend stating 'gl=geodetic latitude' with gl appearing on all four images

The GEOCENTRIC latitude is measured from the centre of the earth and as you correctly state, is only perpendicular to the surface of the earth at the Equator and the Poles.

The GEODETIC (same as GEOGRAPHIC for purposes of syllabus) is defined by a line perpendicular to the surface of the earth from the surface of the earth to the Plane of the Equator, the latitude being defined by the angle at the Equator.

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