A line, $A B$ of $4 c m$ is drawn. Another line, $C D$ which is congruent and perpendicular to $A B$ is drawn. Length of $C D$ is

3 cm

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5 cm

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4 cm

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Solution

The correct option is C 4 cm
Congruent lines have equal length; they need not be perpendicular to each other.

So, $C D = 4 c m$

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A line, AB of 4 cm is drawn. Another line, CD which is congruent and perpendicular to AB is drawn. Length of CD is

The correct option is C 4 cmCongruent lines have equal length; they need not be perpendicular to each other. So, CD=4 cm

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So, $C D = 4 c m$