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 × s
B. [d² × (ds)²]
C. .D √(1 + s²)
D. L.D √(1 + s²)
Answer» D. L.D √(1 + s²)


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