The horizontal angles about point P were measured and recorded as follows: <1 = 17 deg 30’10’’, <2 = 22 deg 18’02’’, <3 = 87 deg 43’33’’, <4 = 103 deg 10’24’’, <5 = 48 deg 50’44’’, and <6 = 80 deg 27’01’’. Assuming that the error is the same for each angle, the sum of the adjusted values of the first three listed angle is • 127 deg 31’35’’ • 127 deg 31’42’’ • 127 deg 31’41’’ • 127 deg 31’46’’

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Q: Reduce the set of profile notes in Table 2-7, and perform the arithmetic check.

A:

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