SOLUTION: I have to find the diameter of a pizza to the nearest tenth of an inch with this given info. "A large circular pizza is divided into 10 equal slices (sectors). Measuring along the

Algebra ->  Circles -> SOLUTION: I have to find the diameter of a pizza to the nearest tenth of an inch with this given info. "A large circular pizza is divided into 10 equal slices (sectors). Measuring along the       Log On


   

Question 744088: I have to find the diameter of a pizza to the nearest tenth of an inch with this given info. "A large circular pizza is divided into 10 equal slices (sectors). Measuring along the outer edge of the crust for one piece, only, you find it to be 5.25 inches long. What is the diameter of the large pizza to the nearest tenth of a inch?" I have a basic understanding of what to do but I just stuck between a rock and a hard place. Some tips would be appreciated!
Answer by josgarithmetic(39617) About Me  (Show Source):
You can put this solution on YOUR website!
The pizza being cut into 10 equal pieces, if cut along diameters, means that the circumference is also cut into 10 equal parts. Here, circumference is 10%2A5.25=2%2Api%2Ar, where r is radius. Solve for r.