Surveying In Exercises 31 and 32, use the Trapezoidal Rule to estimate the number of square feet of land in the lot, where x and y are measured in feet, as shown in the figure. The land is bounded by a stream and two straight roads. (The number of subintervals is shown in the figure.)

0  100  200  300  400  500  

125  125  120  112  90  90  

600  700  800  900  1000  
y  95  88  75  35  0 
Spreadsheet at LarsonAppliedCalculus.com
To calculate: The number of square feet of land in the lot where the value of x and y get measured in feet with the use of Trapezoidal Rule according to the provided figure.
The provided figure of graph with subintervals is,
And Provided table is,
Given Information:
The provided figure of graph with subintervals is,
And Provided table is,
Formula used:
Trapezoidal Rule:
If a function f is continuous on
Calculation:
According to provided figure the graph is divided into 10 sections, so the value of
The minimum limit of x is 0 and maximum limit of x is 1000, so the value of
And
Calculation by Trapezoidal Rule:
for that get the end points of subintervals are,
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