Centroid of Semi-circle

Half circle is known as semi-circle. Centroid of semi-circle is at a distance of 4R/3π
from the base of semi-circle. As shown in the figure below:

centroid of semi circle description

Centroid of Semi-circle Formula:

\(\bar{Y}= \frac{4R}{3π }\)



Find the centroid of semi-circle whose radius is 10cm and of 20cm diameter.

Find the centroid of semi circle whose diameter is 20cm and having radius 10cm

Centroid of semi circle example


By using formula for semi-circle
Centroid of semi-circle = 4R/3π = (4*10)/3π = 4.24cm = Answer

This distance is from the base line of semi circle.

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