The area of your circle is about 500.88
Some backround info needed:
Formula for circumference: C=2(3.14)(r)
Formula for area of circle: A=3.14(r^2)
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First, you need to find the radius of the circle.
Do this by dividing pi and 2 from 79.3.
79.3 / 2 = 39.65
39.65 / 3.14 = about 12.63
The radious of the cirlce is 12.63.
Now find the area:
a = 3.14(12.63^2)
12.63 x 12.63 = about 159.51
159.51 x 3.14 = 500.883066
Round .883 to .88