Well, isn't that just a happy little question! To find the radius of a circle when you know the area, you can use the formula A = πr^2. In this case, the area is 616 square meters, so you can plug that in and solve for the radius. Just remember to take a deep breath, trust in your math skills, and enjoy the process of finding the radius of this circle.
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The radius is 9 feet.
Radius of circle is the square root of 154/pi = 7 units rounded
It is: 25*pi square m
The radius of a circle whose circumference is 40pi is 20 units.
170mm. Diameter of a circle is two time the radius.