The cross-section of a road partly in banking and partly in cutting i – McqOptions

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1.	The cross-section of a road partly in banking and partly in cutting is shown in the given figure. The area of the shaded portion is
A.	⅓ × (b - rd)²/(r - s)
B.	⅓ × (b - rd)²/(r + s)
C.	½ × (b + rd)²/(r - s)
D.	⅓ × (b - rd)²/(s - r)
Answer» B. ⅓ × (b - rd)²/(r + s)

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