If I is the perimeter of a closed traverse and ΔD is the closing error, the correction for departure of the traverse of side of length 'x' according to Bowditch's rule is :
AΔDL/x
BΔDx² /L
CΔDx/L
DxL/ΔD
AΔDL/x
BΔDx² /L
CΔDx/L
DxL/ΔD
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