The $45$ strain rosette is mounted on the link of the backhoe. The following readings are obtained from each gage: $lo{n}_a=750({10}^{-6}),lo{n}_b=-230({10}^{-6}),lo{n}_c=560({10}^{-6}).$

Part A

Determine the in$-$plane principal strains.

Enter your answers using three significant figures separated by a comma.

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Part B

Determine the maximum in$-$plane shear strain.

Express your answer using three significant figures.

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Part C$$