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+// Problem no 2.1,Page no.29
+
+
+clc;clear;
+close;
+ 
+//Rectangle-1
+b_1=10 //cm //width of Rectangle-1
+d_1=2 //cm //breadth of Rectangle-1
+a_1=40 //cm**2 //Area of Rectangle-1
+y_1=1 //cm //Distance of centroid-1
+
+//Rectangle-2
+b_2=2 //cm //width of Rectangle-2
+d_2=10 //cm //breadth of Rectangle-2
+a_2=20 //cm**2 //Area of rectangle-2
+y_2=7 //cm //Distance of centroid-2
+
+//Rectangle-3
+b_3=20 //cm //width of Rectangle-3
+d_3=2 //cm  //breadth of Rectangle-3
+a_3=20 //cm**2 //Area of rectangle-3
+y_3=13 //cm //Distance of centroid-3
+
+
+
+//Calculation
+Y_bar=((a_1*y_1+a_2*y_2+a_3*y_3)*(a_1+a_2+a_3)**-1) //cm //centre of gravity of section
+
+Y_1=4.5 //cm //Distance of centroid of rectangle 1 to C.G
+Y_2=1.5 //cm //Distance of centroid of rectangle 2 to C.G
+Y_3=7.5 //cm //Distance of centroid of rectangle 3 to C.G
+
+I_x_x_1=b_1*d_1**3*12**-1+a_1*Y_1**2 //moment of inertia of rectangle 1 about centroidal x-x axis of the section
+I_x_x_2=b_2*d_2**3*12**-1+a_2*Y_2**2 //moment of inertia of rectangle 2  about centroidal x-x axis of the section
+I_x_x_3=b_3*d_3**3*12**-1+a_3*Y_3**2 //moment of inertia of rectangle 3 about centroidal x-x axis of the section
+I_x_x=I_x_x_1+I_x_x_2+I_x_x_3 //cm**4 
+
+//Result
+printf("Moment of Inertia of the section is %.2f cm^4",I_x_x)