Where D - HORIZONTAL DISTANCE a = the angle subtended by the targets. Example 2-11: A 2-m long subtense bar was first set up at A and subsequently at B, and the subtended angles to the bar, as read from a theodolite positioned somewhere along the middle of line AB, were recorded as e°24'51" and Determine the length of AB. e°20'30", respectively.
Where D - HORIZONTAL DISTANCE a = the angle subtended by the targets. Example 2-11: A 2-m long subtense bar was first set up at A and subsequently at B, and the subtended angles to the bar, as read from a theodolite positioned somewhere along the middle of line AB, were recorded as e°24'51" and Determine the length of AB. e°20'30", respectively.
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
Related questions
Question
![D =
= cot
tan
where
D = HORIZONTAL DISTANCE
a = the angle subtended by the targets.
Example 2-11:
A 2-m long subtense bar was first set up
at A and subsequently at B, and the
subtended angles to the bar, as read from
a theodolite positioned somewhere along
the middle of line AB, were recorded as
8°24'51"
and
g°20'30",
respectively.
Determine the length of AB.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F51de86dd-26cb-4036-b93b-641ce9a25170%2F1cbd1d82-a6bc-4646-b75a-1b2f49c00ce4%2Flay3j7h_processed.png&w=3840&q=75)
Transcribed Image Text:D =
= cot
tan
where
D = HORIZONTAL DISTANCE
a = the angle subtended by the targets.
Example 2-11:
A 2-m long subtense bar was first set up
at A and subsequently at B, and the
subtended angles to the bar, as read from
a theodolite positioned somewhere along
the middle of line AB, were recorded as
8°24'51"
and
g°20'30",
respectively.
Determine the length of AB.
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