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For example , if a 100 - ft tape is 0.02 ft too long a cumulative error of about 1 ft will be made in measuring a one - mile line . ... Angle measured may be the deflection angle , the actual angle , or the azimuth angle .
The property lines should also be measured , where possible , as a check . 12. ... Next correct tape measurements for erroneous length of tape , for sag , or for temp , if necessary . Field data are now in form for computing area .
In this system of triangles , the length of one side of some triangle must be measured ; then if all the angles in each ... of having but few “ checks , " that is , few geometric conditions which must be satisfied by the measurements .
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Conditions Methods in General
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