Which one of the following, concerning great circles on a Direct Mercator chart, is correct?
Domanda 103, General Navigation - ATPL - Airline Transport Pilot license
| They approximate to straight lines between the standard parallels |
| They are all curves concave to the equator |
| They are all curves convex to the equator |
| With the exception of meridians and the equator, they are curves concave to the equator |
