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Situados sobre la línea de la enfilación de los faros de la isla de Tarifa y de Punta Paloma, tenemos en ese instante al faro de Punta Alcázar por nuestro Sur verdadero. ¿A qué distancia tendremos al faro de Punta Carnero en ese momento?.On the leading line of Isla de Tarifa and Punta Paloma lighthouses with Punta Alcázar lighthouse bearing due South true, how far away is Punta Carnero lighthouse?
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Correct answer: b) 9 miles
Why it is correct
The SE extension of the Punta Paloma–Isla de Tarifa leading line intersects the meridian of Punta Alcázar (Dv = 180º, L = 005º 33.4′ W) at 35º 57.5′ N. The distance from there to Punta Carnero lighthouse (36º 04.3′ N, 005º 25.4′ W) is 9 miles.
Why the others are not
- a) Does not match the 9 miles measured on the chart to Punta Carnero.
- c) Does not match the 9 miles measured on the chart to Punta Carnero.
- d) Does not match the 9 miles measured on the chart to Punta Carnero.
How to work it out in the exam
- Intersect the Punta Paloma–Isla de Tarifa alignment with the meridian of Punta Alcázar (35º 57.5′ N, 005º 33.4′ W).
- Measure the distance from that point to Punta Carnero lighthouse: 9 miles.
Where this question comes from
- Región de Murcia · 2023 · 2ª convocatoria · PER Tipo 1 · question 44 Official paper · Official answer key
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Pending instructor review. Machine translation, not reviewed.