The maximum principal stress in MPa and the orientation

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The maximum principal stress in MPa and the orientation of the corresponding principal plane in degrees are respectively

1. –32.0 and –29.52
2. 100.0 and 60.48
3. –32.0 and 60.48
4. 100.0 and –29.52

Correct Option: B

Maximum principal stress

= 99.95 MPa.