Two triangulation towers 120 m apart are on the same horizontal plane. A surveyor standing and setting up successively the transit at the bases of the towers observes that the angle of elevation of the taller is twice that of smaller. At the midway point, he observes that the angles of elevation are complementary angles. The height of the instruments in all set up are is maintained to be 1.20 m from the plane. Determine the height of the smaller tower.

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Q: DIFFERENTIAL LeuEL IN PROBLEM # 4.72 8.19 2,16 :6.3) 3,04 6.72 3,15 BM Eleu TP #2 TP #3 TP FLeu lo00

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Errors in surveying

An error in surveying is defined as the difference between two or more values of an identical quantity. However, the estimates are never accurate and there will always be a degree of variability regardless of the research tool or method used. These differences are known as errors that need to be reduced or eliminated to maintain certain levels of accuracy. Even if you carefully follow the prescribed test procedures, the considerations may contain errors.