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A HRB = 12:00, tomamos distancias simultáneas a los faros: - Punta Paloma= 7 millas. - Punta Alcázar= 10 millas. Se pide la situación obtenida a HRB 12:00.At HRB 12:00 you take simultaneous distances of 7 miles to Punta Paloma lighthouse and 10 miles to Punta Alcázar lighthouse. Find your position at HRB 12:00:
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Correct answer: b) 35º 56.8' N - 005º 43.4' W
Why it is correct
Swinging a 7-mile compass arc centred on Punta Paloma lighthouse (36º 04.0′ N, 005º 43.2′ W) and a 10-mile arc centred on Punta Alcázar lighthouse (35º 50.9′ N, 005º 33.4′ W), both intersect in the Strait at 35º 56.8′ N, 005º 43.4′ W.
Why the others are not
- a) Does not match the intersection of the 7-mile arc from Punta Paloma and 10-mile arc from Punta Alcázar.
- c) Does not match the intersection of the 7-mile arc from Punta Paloma and 10-mile arc from Punta Alcázar.
- d) Does not match the intersection of the 7-mile arc from Punta Paloma and 10-mile arc from Punta Alcázar.
How to work it out in the exam
- Swing a 7-mile arc from Punta Paloma and a 10-mile arc from Punta Alcázar.
- Read the coordinates of the intersection: 35º 56.8′ N, 005º 43.4′ W.
Where this question comes from
- Región de Murcia · 2025 · 2ª convocatoria · PY Tipo 1 · question 34 Official paper · Official answer key
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Pending instructor review. Machine translation, not reviewed.