1.

What is the wetted perimeter of a circular section of sewer?

A. (22/7) *D<sup>2</sup>
B. (22/7) *D
C. (22/7) *D<sup>2</sup>
D. (22/7)<sup>2</sup> *D
Answer» C. (22/7) *D<sup>2</sup>


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