Hover or tap underlined Spanish terms to see their translation and exam tip.
El lado del triángulo de posición cuyos vértices son el astro y el cenit es:The side of the navigational triangle whose vertices are the celestial body and the zenith is:
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Correct answer: d) Answers b) and c) are correct.
Why it is correct
The side of the navigational triangle between the observer’s zenith (Z) and the body (X), measured along the body’s vertical circle, is the zenith distance (z), which equals the complement of true altitude (z = 90° − Ho).
Why the others are not
- a) Colatitude (90° − φ) is the side between the elevated pole (P) and the zenith (Z).
- b) True, but option c) is also true.
- c) True, but option b) is also true.
How to work it out in the exam
- Zenith–Body side (ZX): zenith distance = 90° − altitude of the body.
Where this question comes from
- Junta de Andalucía · 2016 · 2ª convocatoria · CY Módulo de navegación · question 3 Official paper · Official answer key
Pending instructor review. Machine translation, not reviewed.