Ladder
How long is a ladder that touches a wall 4 meters high and has a lower part 3 meters away from the wall?
Correct answer:
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You need to know the following knowledge to solve this word math problem:
- algebra
- expression of a variable from the formula
- arithmetic
- square root
- planimetrics
- Pythagorean theorem
- right triangle
Units of physical quantities:
Grade of the word problem:
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