$($A$)$ In the angle like Figure P$1,$ the coordinates of centroid x bar and y bar.$($B$)$ Find the area inertia moment Ix$\text{'}$ for the x$\text{'}$ axis at the same angle as Figure P$1.($C$)$ Find the area inertia moment Iy$\text{'}-$axis from the same angle as Figure P$1.$