In parallelogram $ABCD$, $AB = 12$ cm. The length of $CD$ is:

In parallelogram $ABCD$, $AB = 12$ cm. The length of $CD$ is:
  1. $6$ cm
  2. $10$ cm
  3. $12$ cm
  4. Cannot be determined

Solution

$AB$ and $CD$ are opposite sides of the parallelogram and so are equal. Hence $CD = 12$ cm.

Asked in: IMO

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