Question $4.(20$ marks$)$

Two drained triaxial tests were carried out on two specimens of saturated clay prepared at the same porosity and the following results were obtained at failure.

$\backslash$table$[[$Specimen$,\backslash$table$[[$Confining Pressure$],[($kPa$)]],\backslash$table$[[$Deviator Stress$],[($kPa$)]]],[$A$,110,289],[$B$,210,499]]$

Use two methods to determine the value of the angle of shearing resistance and the cohesion of the soil.