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| 1. |
The areas enclosed by the contours in a lake are as follows:Contour (m)270275280285290Area (m2)50200400600750 The volume of water between the contours 270 m and 290 m by trapezoidal formula is _______. |
| A. | 6400 m3 |
| B. | 8000 m3 |
| C. | 16000 m3 |
| D. | 24000 m3 |
| Answer» C. 16000 m3 | |