MCQOPTIONS
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| 1. |
Q: The shadow of the tower becomes 60 meters longer when the altitude of the sun changes from 45 ° to 30 °. Then the height of the tower is |
| A. | 30(√3+1) m |
| B. | 30(√3-1) m |
| C. | 20(√3+1) m |
| D. | 24(√3+1) m |
| Answer» B. 30(√3-1) m | |