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11-03-2021
Mathematics

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find the circumference of circle if the diameter is 7.8cm

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Аноним Аноним

11-03-2021

Answer:

24.5

Step-by-step explanation:

the radius is half of a diameter

so the radius is 3.9

24.5 = 2πr= 2 * π * 3.9 ≈ 24.504

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