Marissa has a wool rug that has the shape of a regular octagon in her living room. The diameter of the incircle of the rug measures 7 feet approximately. Which of the following is the approximate measure of one of the sides of wool rug? A.2.9 feetB. 3.5 festC. 3.7 feetD. 4.1 feet
Accepted Solution
A:
We know that the diameter of the inner circle (d) and the side of a regular octagon (s) are tied by the formula: