The length of NS in the given coordinate of line HN is 14 cm.
The given coordinate of the lines;
A sketch of the given lines is represented as;
|____6cm____|___________xcm___________|
H-------------------S--------------------------------------------------N
|________________20cm__________________|
The length of NS is calculated as follows;
6 + x = 20
x = 20 - 6
x = 14 cm
Thus, the length of NS is 14 cm
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