TExES Core Subjects EC-6 (391) · Texas See your TExES score. Your first session is on us.

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Question 1 of 30Subject Exam III · Social Studies
003 Geography and Culture

Which of the following is a major advantage of a Mercator projection of the world?

Margin note

The Mercator projection keeps angles true, so a line of constant compass bearing (a rhumb line) plots as a straight line, which is why navigators used it to set a course. The trade-off is severe enlargement of areas toward the poles: Greenland looks about as large as Africa, which is roughly fourteen times bigger. Shortest routes follow great circles, which curve on a Mercator map and appear as straight lines on a gnomonic projection.

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