Question

these figures are congruent. what is no? millimeters

Explanation:

Step1: Match congruent polygon parts

Congruent figures have corresponding sides equal. Identify the side corresponding to $NO$: in quadrilateral $GHI F$, the side matching $NO$ is $FI$.

Step2: Assign the length of the corresponding side

The length of $FI$ is 17 mm, so $NO$ equals this length.

Answer:

17 millimeters