The radius of a circular rug is 4 feet. How much ribbing will you need to buy to go around the rug? Use 3 14.

100.48 feet

Step-by-step explanation:

The circumfrence of a circle is represented in the equation C=2/pi r^{2}

So we input the values into the equation C=2 (3.14) (4) ^2 which when entered into a calculator gives you 100.48feet