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weqwewe [10]
4 years ago
7

Can someone please help me figure out how to solve this

Mathematics
2 answers:
Amiraneli [1.4K]4 years ago
6 0
2 should be the answer!
bezimeni [28]4 years ago
3 0

Answer:

2

Step-by-step explanation:

C_{old}=2 \pi r = 2 \times \pi \times 3 = 6 \pi.

Now double the radius so that r=6 then

C_{new}=2\pi r= 2 \times \pi \times 6 = 12\pi.

So the circumference is multiplied by

\frac{C_{new}}{C_{old}}=\frac{12\pi}{6\pi}=2

when the radius is doubled.


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