10–25. The 45° strain rosette is mounted on the surface of a shell. The following readings…

10–25. The 45° strain rosette is mounted on the surface of a shell. The following readings are obtained for each gage: €, = -200(10“), €5 = 300(10), and € = 250(10-). Determine the in-plane principal strains. 45° Prob. 10-25