Elevation of top Q of a hill, a staff of 2 m height was erected and observations were made from stations P and R, 60 m apart. The horizontal angle measured at P between R and the top of the flag staff was 60°30' and that measured at R between the top of the flag staff and P was 68°18'. The angle ofelevation to the top of the flag staff from P = 10°12' and from R = 10°48'. Staff readings on BM when instrument was at P = 1.965 m and that with instrument at R = 2.055 m. Calculate the elevation of the top of the hill if reduced level of BM=100m?

Structural Analysis
6th Edition
ISBN:9781337630931
Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
Chapter2: Loads On Structures
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Elevation of top Q of a hill, a staff of 2 m height was erected and observations were made from stations
P and R, 60 m apart. The horizontal angle measured at P between R and the top of the flag staff was
60°30' and that measured at R between the top of the flag staff and P was 68 18'. The angle ofelevation
to the top of the flag staff from P = 10°12' and from R = 10°48'. Staff readings on BM when instrument
was at P = 1.965 m and that with instrument at R = 2.055 m. Calculate the elevation of the top of the
hill if reduced level of BM=100m?
Transcribed Image Text:Elevation of top Q of a hill, a staff of 2 m height was erected and observations were made from stations P and R, 60 m apart. The horizontal angle measured at P between R and the top of the flag staff was 60°30' and that measured at R between the top of the flag staff and P was 68 18'. The angle ofelevation to the top of the flag staff from P = 10°12' and from R = 10°48'. Staff readings on BM when instrument was at P = 1.965 m and that with instrument at R = 2.055 m. Calculate the elevation of the top of the hill if reduced level of BM=100m?
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