Circumference 6338
The circle has the same area as the square, whose circumference is 400m. Calculate the diameter of the circle.
Correct answer:
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You need to know the following knowledge to solve this word math problem:
- algebra
- equation
- expression of a variable from the formula
- planimetrics
- circle
- area of a shape
- perimeter
- square
Units of physical quantities:
Grade of the word problem:
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