from the contour map of a pond the following contour areas were planimetered
|
Contours (m) |
1107 |
1113 |
1119 |
|
Area (m2) |
90 |
88 |
70 |
By prismoidal rule, the volume of the water in the pond is …m3
1
1008
2
1024
3
336
4
2880