1.

A Semi-circle of radius 'r' is defined in first and fourth quadrants. Write down its coordinates of centroid:

A. \((0,\frac{4r}{3\pi})\)
B. (0,0)
C. \((\frac{4r}{3\pi},0)\)
D. \((\frac{4r}{3\pi},\frac{4r}{3\pi})\)
Answer» D. \((\frac{4r}{3\pi},\frac{4r}{3\pi})\)


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