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+//Chapter 3, Example 3.4, page 68
+clc
+//Initialisation
+K=1.33
+d1=24                                     //heigth in Km
+d2=15                                      //heigth in Km
+K1=1
+Re=6370                                    //actual redius of earth
+
+//Calculation
+R=4.12*(d1**0.5+d2**0.5)
+R1=K1*Re
+Rrh=(2*R1*d1)**0.5+(2*R1*d2)**0.5
+
+//Results
+printf("K=1.33")
+printf("\nRrh = %.1f km\n",R)
+printf("K=1")
+printf("\nRrh = %.1f km",Rrh)                     //The answer provided in the textbook is wrong