The curvature of the earth's surface, is taken into account only if the extent of survey is more than« Back to Previous Page

A. 100 sq km B. 160 sq km C. 200 sq km D. 260 sq km.
Posted by Civil Engineer
Asked on August 5, 2016 12:01 pm
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D. 260 sq km.

Posted by Civil Engineer
Answered on August 5, 2016 12:02 pm