$($Q$5)$

Determine the corresponding maximum shear plane angles and $\{$:${}_{s2})$ in degrees are:

A $(29,119)$

B $,(119,74)$

C $,(29,74)$

D $,(-16,74)$

E $,(-16,119)$

Answer for $($Q$5)E$

$($Q$6)$ Determine, on the maximum shear stress plane, the corresponding normal stress ${}^{\text{'}}($MPa$)$:

A $47\mathrm{.}2$

B $,47\mathrm{.}8$

C $,120\mathrm{.}0$

D $,95\mathrm{.}0$

E $,142\mathrm{.}2$

Answer for $($Q$6)$ A

solve with steps please