1. 
Lauren has designed a small oval racetrack for her remote control car. Her design is shown in the following figure. She has two curves, each of which is half of a circle. She also has two straightaways that she wants to connect to the circles. The curves are on a radius of fifteen inches and the straightaways are fortysix inches long. What is the total distance around the track? Round your answer to the nearest whole inch.


2. 
* This is a premade sheet. Use the link at the top of the page for a printable page. 

3. 
A new crop circle has appeared in Cool Town. It is a rather simple one. It consists of two concentric circles. The largest (outer) circle has a radius of fiftytwo meters and the inner circle has a radius of twentyfive meters. What is the difference between the perimeters of the circles?


4. 
If the perimeter of an equiangular triangle is 66 centimeters, what is the length of one of its sides?


5. 
Farmer Bob is considering buying a new field that is next to one he already owns. The field he is considering is a perfect square. The fence along each side of this square field is made of old logs and is onefourth of a mile long. If he can walk at a rate of two miles per hour, how long will it take him to inspect the fence all the way around this field?


6. 
Anna is painting around the edge of a craft item that she is making. It is a circular piece of wood on which she has painted some farm scenery. If she finishes painting around the edge in nine minutes and she paints at a speed of two inches per minute, what is the diameter of the circular piece of wood? Round your answer to the nearest tenth of an inch.

