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| 1. |
A ladder leaning against a wall makes an angle of 60° with the horizontal. If the foot of the ladder is 10 m away from the wall, what is the length of the ladder? |
| A. | 34.6 m |
| B. | 17.3 m |
| C. | 20 m |
| D. | 40 m |
| Answer» D. 40 m | |