The section modulus of a circular section about an axis through its C.G., is
A. $$\frac{{\pi {{\text{d}}^2}}}{4}$$
B. $$\frac{{\pi {{\text{d}}^2}}}{{16}}$$
C. $$\frac{{\pi {{\text{d}}^3}}}{{16}}$$
D. $$\frac{{\pi {{\text{d}}^3}}}{{32}}$$
Answer: Option D
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