For the conditions given in Problems 6.14 through 6.16, determine the horizontal length of CD that must be laid out to achieve required true horizontal distance CD. Assume a 100-ft steel tape will be used, with cross-sectional area 0.0025 in.2, weight 2.4 lb, and standardized at 68°F to be 100.008 ft between end marks when supported throughout with a 12-lb pull.

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Required Horizontal Average Distance CD Temperature Mans of Tension (ft) 97.54 68.96 68.78 (OF) 68 54 91 Support Throughout Throughout Throughout (lb) 12 20 18 a. C.