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Rudiy27
3 years ago
7

Pls help me I really need to pass

Mathematics
2 answers:
pentagon [3]3 years ago
8 0

Answer:

A. 31 Km

Step-by-step explanation:

circumference = 2\pi \:r

radius equals the diameter divided by 2

r =  \frac{d}{2}

In this case the diameter is 10, so the radius is 5.

finally,

2\pi(5) = 31.415

rounded to the nearest whole number gives us

31 Km.

gtnhenbr [62]3 years ago
6 0
Should be D. Please tell me if I’m wrong
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