Described
Calculate the perimeter of the circle described by a triangle with sides 191, 428, 385.
Correct answer:

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You need to know the following knowledge to solve this word math problem:
- arithmetic
- square root
- rounding
- planimetrics
- circle
- area of a shape
- perimeter
- triangle
- Heron's formula
- numbers
- real numbers
Units of physical quantities:
Grade of the word problem:
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