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+//Example 1_1
+clc();
+clear;
+//To add the given Displacements Graphically
+d1=25 //units in cm
+d2=10 //units in cm
+d3=30 //units in cm
+R=sqrt(d1^2+d2^2+d3^2) //units in cm
+theta1=30 //units in degrees
+theta2=90 //units in degrees
+theta3=120 //units in degrees
+theta=360-(theta1+theta2+theta3) //units in degrees
+printf("The Resultant R=%.2f cm\n",R)
+printf("Theta=%d degrees",theta)
+//In text book the answer is printed wrong as R=49cm and theta=82 degrees but the correct answer is R=40.31cm and theta=120 degrees