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Putnam 1952 A4

  • Session A
  1. The flag of the United Nations consists of a polar map of the world, with the North Pole as center, extending approximately to 45∘45^{\circ} South Latitude. The parallels of latitude are concentric circles with radii proportional to their co-latitudes. Australia is near the periphery of the map and is intersected by the parallel of latitude 30∘S30^{\circ} \mathrm{S}. In the very close vicinity of this parallel how much are East and West distances exaggerated as compared to North and South distances?

Dataset text PutnamGAP. Quoted with source.

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