3769/CH20/EX20.12/Ex20_12.sce


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clear
//Given
R=6.4*10**6                         //m
h=110

//Calculation 
//
d=(sqrt(2*R*h))*10**-3
P=%pi*d**2

//Result
printf("\n Population covered is %0.1f  *10**6",P*10**-3)