2529Civil EngineeringMedium
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________?
Ab – rd)2/(s – r)
B1⁄2 × (b + rd)2/(r – s)
Cb – rd)2/(r – s)
Correct answer
C. b – rd)2/(r – s)
Explanation
The correct answer is b – rd)2/(r – s).