Circumference 4278
An inscribed circle is also described as an equilateral triangle with a side length of 8 cm. How many cm is the circumference of the inscribed circle smaller than the circumference of the described circle?
Correct answer:

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Calculation of an equilateral triangle.
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Calculation of an equilateral triangle.
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You need to know the following knowledge to solve this word math problem:
algebraplanimetricsGrade of the word problem
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