I'm not sure wether the top shape triangle the x axis should be minus or plus.(adsbygoogle = window.adsbygoogle || []).push({});

i've got all the areas including x1 x2 x3 x4 and y1 y2 y3 y4 since i've splited the whole shape into 4 shapes (2 triangle and 1 square and 1 rectangle).would appreaciate if any one can help me out with it.

http://i21.photobucket.com/albums/b283/NMchugh/Various/centroids.png

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# Homework Help: Centroids please need a bit of help

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