Finding Correct Area in Chain Surveying When Chain used is Too Short| Solved Problem

In this video we will learn how to find correct area of plot or plan in chain surveying when chain used is missing some link or is too short.
Question: A plan of an old survey plotted to a scale of 10 m to 1 cm carried a note stating that the chain 20 m used was 0.8 links (16 cm) too short. It was also found that the plan had shrunk so that a line originally 10 cm long now measures 9.77 cm only. The area of a plot on the available plan was found to be 58.2 cm2. What is the correct area of the plan in hectares.
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