1.

The formation width of a highway with no transverse slope on an embankment is B. The height of the embankment is d and side slope of the embankment is S: 1 The area of cross-section of the embankment is

A. B + d + S × d
B. B × D + S × d
C. B × d + S × d2
D. \(\frac{1}{2}\left( {B\times d + S{d^2}} \right)\)
Answer» D. \(\frac{1}{2}\left( {B\times d + S{d^2}} \right)\)


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