Answer
$A$ = 775 mm$^2$
Work Step by Step
Area of a Parallelogram: $A$ = $b$$h$
Therefore:
$A$ = (31 mm)(25 mm)
$A$ = 775 mm$^2$
You can help us out by revising, improving and updating this answer.
Update this answerAfter you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.