Ground Distance from Plan Scale

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On a site plan drawn at 1 in = 40 ft, a line measuring 2.5 in on the sheet represents:
  1. A16 ft
  2. B62.5 ft
  3. C100 ft
  4. D160 ft
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Answer: C. 100 ft

At 1 in = 40 ft, 2.5 in represents 2.5 × 40 = 100 ft. Dividing 40 by 2.5 gives 16 ft.
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