1.

The area of a sloping surface of a protective embankment of mean height d, side slopes S: 1 and length L is _________

A. d x d x s
B. (d2 x (ds)2)1/2
C. L.D (1 + s2)1/2
D. 2 L.D (1 + s2)1/2
Answer» D. 2 L.D (1 + s2)1/2


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