Question 4:

Hard

The figure represents the globe and the points A, B, and C are marked on it. Points A and B are located on the same parallel, and points B and C are located on the same meridian. A path is traced from point A to C, along the surface of the globe, passing through B, so that the segment from A to B is on the parallel that passes through A and B, and the segment from B to C is on the meridian that passes through B and C. Consider that plane α is parallel to the equator line in the figure.
The orthogonal projection, on plane α, of the path traced on the globe can be represented by:

Source: ENEM

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