3 years ago

PLEASE I NEED IT NOW!

2 answers:

6 0

Answer:

Step-by-step explanation:

multiplying by 2 gives C=4*pi*r

make r = 3 for example, and you get C = 6pi

when you plug r into the new formula, C= 12pi, which is double

4 0

Answer:

Step-by-step explanation:

hope this helps! have a wondefull day! :)

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