The length 11
The length of a rectangle is four times its width. If the area is 100 m², what is the length of the rectangle?
Correct answer:
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You need to know the following knowledge to solve this word math problem:
- algebra
- quadratic equation
- equation
- expression of a variable from the formula
- arithmetic
- square root
- planimetrics
- area of a shape
- rectangle
Units of physical quantities:
Grade of the word problem:
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