Answer
A = 3.14
Work Step by Step
$A = \pi \times r^{2}$
$A = 3.14 \times 1^{2}$
$A = 3.14$
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.