, where A = area and r = the radius of the circle.
where r = radius and C = circumference.because there is no given diameter measurement in your question, the best way to find the radius is to use the formula 
is the given circumference, plug in 
.
the equation becomes 
.
for 
.
, aka pi times three and five tenths squared.
(if needed, you can round this result to the nearest tenth, hundredth, etc.)The circumference of a circle is 7π m.
what is the area...
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