The area of the cross-section of a road fully in banking shown in the given figure, is
Q. The area of the cross-section of a road fully in banking shown in the given figure, is
A. [sb² + r² (2bd + sd)²]/(r – s)
B. [sb² + r² (2bd + sd)²]/(r² – s5)
C. [sb² + r² (2bd + sd)²]/(r² – s²)
D. None of these
Answer: [sb² + r² (2bd + sd)²]/(r² – s²)