res_18_011f21.jpg
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res_18_011f21.jpg
Alt text:
A circle with latitude lines and longitude lines inside.
Caption:
Latitude and longitude lines give us a way of representing our location on the 2-sphere. The longitudes aren’t just circles as shapes, they’re also circles as groups. See section 29.2.2, “Geometry of the Sphere,” for more on this topic. (Image courtesy of student notetaker.)
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