//Second moment of Inertia
//refer fig. 9.37
A1=100*13.5  //mm^2
A2=(400-27)*8.1  //mm^2
A3=100*13.5  //mm^2
A=A1+A2+A3  //mm^2
Ixx=((100*13.5^3)/12)+(1350*193.25^2)+((8.1*373^3)/12)+((100*13.5^3)/12)+(1350*193.25^2)  //mm^4
Iyy=((13.5*100^3)/12)+(1350*24.27^2)+((373*8.1^3)/12)+(3021.3*21.68^2)+((13.5*100^3)/12)+(1350*24.27^2)
printf("\nIxx=%.2d mm^4\nIyy=%.2d mm^4",Ixx,Iyy)