1.

In a cross staff survey, the perpendicular offsets are taken on right and left of the chain line AD as shown in figure - all values are in meters. The area enclosed by ABCDEFA, computed by trapezoidal method is

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In a cross staff survey, the perpendicular offsets are taken on right and left of the chain line AD as shown in figure - all values are in meters. The area enclosed by ABCDEFA, computed by trapezoidal method is



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