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. d 2 x (ds) 2
C. L.D 1 + s 2
D. 2 LD 1 + s 2
Answer» D. 2 LD 1 + s 2


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