In an old survey performed in 1965, a line AB had a magnetic bearing of S75°10'W when the magnetic declination was 4°30' west. In a new survey performed in 1987, the declination in the same locality changed to 2°50 east. The magnetic bearing of AB in 1987 should be a. N67°50'E b. S70°40'W c. S73°30'W d. N70°40'E e. S67°50'W

Structural Analysis
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Author:KASSIMALI, Aslam.
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Chapter2: Loads On Structures
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In an old survey performed in 1965, a line AB had a magnetic bearing of S75°10'W when the
magnetic declination was 4°30' west. In a new survey performed in 1987, the declination in the
same locality changed to 2°50 east. The magnetic bearing of AB in 1987 should be
a. N67°50'E
b. S70°40'W
c. S73°30'W
d. N70°40'E
e. S67°50'W
Transcribed Image Text:In an old survey performed in 1965, a line AB had a magnetic bearing of S75°10'W when the magnetic declination was 4°30' west. In a new survey performed in 1987, the declination in the same locality changed to 2°50 east. The magnetic bearing of AB in 1987 should be a. N67°50'E b. S70°40'W c. S73°30'W d. N70°40'E e. S67°50'W
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