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Andru [333]
3 years ago
7

Please help :/ 20 POINTS

Mathematics
2 answers:
ryzh [129]3 years ago
4 0
25.1 is the answer hope this helps
Dmitry [639]3 years ago
3 0

Answer:

25.1!

Step-by-step explanation:

all you have to do is C=2πr=2·π·4≈25.13274

To calculate the circumference of a circle, multiply the diameter of the circle with π (pi). The circumference can also be calculated by multiplying 2×radius with pi (π=3.14).

Hope that helped! :)

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