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//The given composite section can be divided into two rectangles
//variable declaration
A1=125.0*10.0 //Area of 1,mm^2
A2=75.0*10.0 //Area of 2,mm^2
A=A1+A2 //Total area,mm^2
//First, the centroid of the given section is to be located. Two reference axis (1)–(1) and (2)–(2)
//The distance of centroid from the axis (1)–(1)
X1=5.0
X2=10.0+75.0/2
xc=(A1*X1+A2*X2)/A
//Similarly, the distance of the centroid from the axis (2)–(2)
Y1=125.0/2
Y2=5.0
yc=(A1*Y1+A2*Y2)/A
//With respect to the centroidal axis x-x and y-y, the centroid of A1 is g1 (xc-5, (85/2)-xc) and that of A2 is g2 ((135/2)-yc, yc-5).
Ixx=(10*(125**3)/12)+(A1*(21.56**2))+(75.0*(10.0**3.0)/12)+(A2*((39.94)**2))
printf("\n Ixx= %0.1f mm^4",Ixx)
Iyy=(125*(10**3)/12)+(A1*(15.94**2))+(10*(75**3)/12)+(A2*(26.56**2))
printf("\n Iyy= %0.1f mm^4",Iyy)
//Izz=Polar moment of inertia
Izz=Ixx+Iyy
printf("\n Izz= %0.1f mm^4",Izz)
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