Question in centroid for given figure

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The discussion centers on calculating the centroid of a triangle, particularly the y-coordinate, which is located one-third of the height above the base rather than halfway. A new member seeks clarification and examples to better understand this concept in preparation for an upcoming test. The importance of the centroid's position relative to the triangle's dimensions is emphasized. Additional resources, such as Wikipedia, are referenced for further information. Clear explanations and examples are requested to aid comprehension.
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hi all ..

Hello .. I am a new member .. I have a test next week .. I have some difficulty in such matters ..

[PLAIN]http://store2.up-00.com/Nov11/Eac12548.jpg

[PLAIN]http://store2.up-00.com/Nov11/UKV12548.jpg

thanks
 
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For the y-coordinate of a triangle's centroid, it is not half of the height but rather is located closer to the base. In fact it is 1/3 of the height above the base:

166px-Triangle_centroid_1.svg.png
(From http://en.wikipedia.org/wiki/Centroid)
 
I did not understand .. Explain with example if possible
 

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