(Solved): The state of plane strain at a point has components of x=250X(10)6,y=150X(10)6, ...

The state of plane strain at a point has components of $${?}_{\mathrm{x}}=250\mathrm{X}(10{)}^{?6},{?}_{\mathrm{y}}=?150\mathrm{X}(10{)}^{?6}$$, $${?}_{\mathrm{xy}}=120\mathrm{X}(10)?6$$, please determine the principal strains and the orientation of the element using Mohr's circle. Please determine the max in-plane strains and the orientation of the element using Mohr's circle.