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| 1. |
The shadow of a vertical tower on a level ground increases by 10 m when the altitude of the sun changes from 45 to 30 . Find the height of the tower, correct to two decimal places. |
| A. | 12.44 m |
| B. | 13.66 m |
| C. | 14.77 m |
| D. | 15.22 m |
| Answer» C. 14.77 m | |