Answer:
a. 335°
Step-by-step explanation:
Bearing: The angle (in degrees) measured clockwise from north.
a. The bearing from O to A
Measure the angle from the positive y-axis, clockwise to point A.
Angles on a straight line sum to 180°, so the angle between the negative x-axis and point A is (180° - 115°).
- Bearing = 270° + (180° - 115°) = 335°
b. The bearing from O to B
Measure the angle from the positive y-axis, clockwise to point B.
- Bearing = 270° - 48° = 222°
c. The bearing from O to C
Measure the angle from the positive y-axis, clockwise to point C.
- Bearing = 180° - 27° = 153°
d. The bearing from A to O
Measure the angle clockwise from north of point A to point O.
- Bearing = 180° - 25° = 155°
