Ladder
Adam placed the ladder of the house, the upper end reaching the window at the height of 3.6m, and the lower end standing on level ground and distant from a wall of 1.5m. What is the length of the ladder?
Correct answer:
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You need to know the following knowledge to solve this word math problem:
- arithmetic
- square root
- square (second power, quadratic)
- planimetrics
- Pythagorean theorem
- right triangle
- triangle
Units of physical quantities:
Grade of the word problem:
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