\f8. Refer to the diagram at the top of page 1 to answer the following question: using a ruler and protractor, take appropriate measurements of point D to determine the value of the wavelength of the interfering waves. Be sure to use a_|| three methods of wave analysis. (Scale: 1.0 mm = 1.0 cm) {10} or 11 cm, 113.? or 11 cm. 10.8 or 11 cm}