Chapter 2.2, Problem 17P

Give two different fractions that you can legitmately use to describe the shaded region in Figure 2.30. For each fraction, explain why you can use that fraction to describe the shaded region. Write an unambiguous question about the shaded region in Figure 2.30 that can be answered by naming a fraction. Explain why your question is not ambiguous.

  

  Figure 2.30 Describe the shaded part with a fraction.