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) $\frac{1}{3} \times \frac{(b-r d)^{2}}{r-s}$
B) $\frac{1}{3} \times \frac{(b-r d)^{2}}{r+s}$
C) $\frac{1}{2} \times \frac{(b+r d)^{2}}{r-s}$
D) $\frac{1}{2} \times \frac{(b+r d)^{2}}{r-5}$

Question

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) $\frac{1}{3} \times \frac{(b-r d)^{2}}{r-s}$ 
B) $\frac{1}{3} \times \frac{(b-r d)^{2}}{r+s}$ 
C) $\frac{1}{2} \times \frac{(b+r d)^{2}}{r-s}$ 
D) $\frac{1}{2} \times \frac{(b+r d)^{2}}{r-5}$

Quizplus · Accepted Answer

The Answer of 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) $\frac{1}{3} \times \frac{(b-r d)^{2}}{r-s}$ 
B) $\frac{1}{3} \times \frac{(b-r d)^{2}}{r+s}$ 
C) $\frac{1}{2} \times \frac{(b+r d)^{2}}{r-s}$ 
D) $\frac{1}{2} \times \frac{(b+r d)^{2}}{r-5}$

The Cross-Section of a Road Partly in Banking and Partly 13×(b−rd)2r−s\frac{1}{3} \times \frac{(b-r d)^{2}}{r-s}31​×r−s(b−rd)2​

The Cross-Section of a Road Partly in Banking and Partly $\frac{1}{3} \times \frac{(b-r d)^{2}}{r-s}$