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3 cards from this section. Quick, good the night before a test.
What is the fore bearing?
Think about the direction used in measurements.
What should be the ideal difference between fore bearing and back bearing?
Consider how you look at angles in a circle.
What is the angle measured in a clockwise direction from magnetic north to a line called?
Think about the direction you measure from in surveying.
True or False: The back bearing and fore bearing should differ by 90°.
Consider what both bearings represent in relation to each other.
You measure the fore bearing of line AB to be 150°. What should be the expected back bearing from point B to A?
Always add or subtract 180° for the relation.
During a survey, you find the fore bearing is 275° and back bearing is recorded as 95°. What does this indicate?
Think about the differences and if they match the required values.
4 more questions in this section. Enroll free to practise them all.
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