CIRCLES

#1. A great circle track joint position A (59°S 141°W) and B (61°S 148°W). What is the difference between the great circle track at A and B?

• AIt increases by 6°.
• BIt decreases by 6°.
• CIt increases by 3°.
• DIt decreases by 3°.

#2. Given: Position A 45° N, ?°E, Poition B 45° N 45° 15'E Distance A-B=280 NM, B is to the East of A, What is the longitude of position A?

• A38°39'E.
• B49°57'E.
• C51°51'E.
• D40°33'E.

#3. A Lambert conformal conic chart has a constant of the cone of 0.75. The initial course of a straight-line track drawn on this chart from A (40°N 050°W) to B is 043°(T) at A; course at B is 055°(T). What is the longitude of B?

• A34°W.
• B36°W.
• C38°W.
• D41°W.