Prepare a computational program that computes the end-areas in Problem 26.20.
Problem 26.20:
For the data of Problem 26.19, calculate slope intercepts and determine the end area by the coordinate method.
Problem 26.19:
From the following excerpt of field notes, plot the cross section on graph paper and superimpose on it a design template for a 40-ft-wide level roadbed with cut slopes of 3:1 and a subgrade elevation of 1239.50 ft. Determine the end area graphically by counting squares.
![391_5002b52a-90bc-4520-957f-7ef3d5cbff1b.png](https://secure.tutorsglobe.com/CMSImages/391_5002b52a-90bc-4520-957f-7ef3d5cbff1b.png)