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Zinaida [17]
3 years ago
14

Can someone please help me with this?

Mathematics
1 answer:
GrogVix [38]3 years ago
4 0
The circumference of a circle with radius r is 2\pi r. If the length of the radius is tripled, then the circumference becomes 2\pi(3r)=3\cdot2\pi r, which is just 3 times the original circle's circumference.
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