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| 1. |
A ladder is resting against a vertical wall and its bottom is 2.5 m away from the wall. If it slips 0.8 m down the wall, then its bottom will move away from the wall by 1.4 m. What is the length of the ladder? |
| A. | 6.2 m |
| B. | 6.5 m |
| C. | 6.8 m |
| D. | 7.5 m |
| Answer» C. 6.8 m | |