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//cha 7 page -225 pb-1 // //givwn readings ir=9.377 fr=3.336 m=100 c=23.521 n=1 a1=m*(fr-ir+10*(n)+c)//cm2 a2=m*(fr-ir-10*(n)+c)//cm2 printf("\n A= %0.3f ",a2) printf("\n required area is %0.3f square meters',a2)