SOLUTION: Jordan sews a lace border 50pi inches long around the edge of a circular tablecloth. what is the length of the radius from the inside edge of the lace to the center of the circular

Question 176191: Jordan sews a lace border 50pi inches long around the edge of a circular tablecloth. what is the length of the radius from the inside edge of the lace to the center of the circular tablecloth?
Answer by EMStelley(208) (Show Source): You can put this solution on YOUR website!
So what you are being told in the problem is that the circumference of the table is 50*pi. Remember that the formula for the circumference of a circle is 2*pi*r, or pi*d (diameter). Since we are wanting to solve for the radius, let's just use the first formula. So we have

We are solving for r, so divide both sides by 2*pi:

So the radius is 25 inches.
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