To calculate for area given the circumference we proceed as follows: C=2πr where: r=radius thus given that C=25 1/7 in=176/7 thus plugging in our formula to solve for r we get: 176/7=2πr thus r=4.002~4.00 in hence the area will be: A=πr² A=π×(4²) A=50 2/7 in²