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Kim wants to put a small fence in the shape of a circle around a tree in her backyard. She wants the radius of the circle to be 2 feet, leaving room to plant flowers around the tree. How many of fencing does she need to buy if it is sold by the foot? Use 3.14 to approximate
In this case, you first need to think about what is the formula for the circumference of a circle. The formula for the circumference of a circle is 2 * PI * r, where r is the radius of the circle, and PI is the mathematical constant approximately equal to 3.14.
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