3886/CH9/EX9.7/9_7.sce


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//Determine co-ordinates
//total area
A=200*150-(100*75/2)-((%pi*100^2)/(4))  //mm^2
xc=2375000/26250  //mm
yc=1781250/26250  //mm
printf("\xc=%.3f mm\nyc=%.3f mm",xc,yc)