Many types of sports balls — tennis, racquetball, wiffle balls to name a few — are packed in cylindrical cans, and since the balls are round, a lot of empty space is left in the can. How much space? S

Many types of sports balls — tennis, racquetball, wiffle balls to name a few — are packed in cylindrical cans, and since the balls are round, a lot of empty space is left in the can. How much space? Suppose that one type of ball has a radius of 3.3cm, and the can has the same … Read more