A block of metal has a 90° notch cut from its lower surface. The notched part rests on a c...

A block of metal has a 90° notch cut from its lower surface. The notched part rests on a circular cylinder of diameter 2.0 cm, as shown in Fig. 4.15. If the lower surface of the part is 1.3 cm above the base plane, how deep is the notch?

Figure 4.15