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//
//
b=10
h=1//m
n=10
s=1
printf("\n first section')
b1=(b/2)+((n*s)/(n-s))*(h+(b/(2*n)))
b2=(b/2)+((n*s)/(n+s))*(h-(b/(2*n)))
a1=0.5*((((b/(2*s))+h))*(b1+b2)-((b*b)/(2*s)))
printf("\n b1=%0.3f,b2=%0.3f",b1,b2)
printf("\n area A1= %0.3f ",a1)
printf("\n second section')
b=10,h=2,n=5,s=1,
b1=(b/2)+((n*s)/(n-s))*(h+(b/(2*n)))
b2=(b/2)+((n*s)/(n+s))*(h-(b/(2*n)))
a2=0.5*((((b/(2*s))+h))*(b1+b2)-((b*b)/(2*s)))
printf("\n b1=%0.3f,b2=%0.3f",b1,b2)
printf("\n area A2= %0.3f sq. meters ",a2)
printf("\n third section')
b=10,h=1.5,n=8,s=1,
b1=(b/2)+((n*s)/(n-s))*(h+(b/(2*n)))
b2=(b/2)+((n*s)/(n+s))*(h-(b/(2*n)))
a3=0.5*((((b/(2*s))+h))*(b1+b2)-((b*b)/(2*s)))
printf("\n b1=%0.3f,b2=%0.3f",b1,b2)
printf("\n area A3= %0.3f sq. meters",a3)
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