The circumference is 62.8 inches. What is the radius?

Find the length of cu, the triangles are similar.

The inside wheels of a car traveling on a circular path are rotating half as fast as the outside wheels. the front two wheels are six feet apart. what is the number of feet in the path traced by the inside front wheel in one trip around the circle? express your answer in the form "k \pi", where k is an integer.

Find the number of liters in 12.8 gal of gasoline. round to the nearest hundredths