10–25. The 45° strain rosette is mounted on the surface of a shell. The following readings are obtained for each gage: ε a = −200(10−6), ε b = 300(10−6), and ε c = 250(10−6). Determine the in-plane principal strains.

The answer is 380.32×10^-6

Refer below for the explanation.

Explanation:

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