Answer:
A) 42 m
Step-by-step explanation:
A parallelogram is a quadrilateral with opposite sides that are parallel and equal in length.
Therefore, in parallelogram FHJM, side FM is the same length as its opposite side, HJ.
Given that the length of side FM is 42 m, it follows that:
[tex]\Large\boxed{\boxed{\overline{HJ}=42\;\sf m}}[/tex]
