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//Centroid of angle
//refer fig. 9.11
//the given figure can be divided into two rectangles
A1=150*12 //mm^2
A2=(200-12)*12 //mm^2
//total area
A=A1+A2 //mm^2
xbar=(1800*75+2256*6)/(4056) //mm
ybar=(1800*6+2256*106)/(4056) //mm
printf("The centroid is at \nxbar=%.2f mm\nybar=%.2f mm ",xbar,ybar)
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