Question

the shape abcd below is a parallelogram. what is the length of side cd? (note that the figure is not drawn to scale.)

Explanation:

Step1: Recall parallelogram property

In a parallelogram, opposite sides are equal. Side $AB$ is opposite to side $CD$, and side $AD$ is opposite to side $BC$.

Step2: Identify the length of the opposite - side

Given that $AB = 11$. Since $AB$ and $CD$ are opposite sides of parallelogram $ABCD$, then $CD=AB$.

Answer:

$11$