Find the length of a circle if its diameter is 25 cm.

Let’s round the number π to tenths:
3.14 ≈ 3.1.
Let’s calculate how many centimeters it is possible to express the circumference, when we know exactly from the condition of the task that its diameter is 25 centimeters:
25 * 3.1 = 77.5.
Answer: The circumference in this case is 77.5 cm.



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