Can someone please help me with this? 1. By what factor does the circumference change if the radius is tripled? Explain.

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asked Sep 10, 2019 189k views

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Harshavardhana · Answer 1 · 2019-09-17T06:57:59+0000

The circumference of a circle with radius

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.

Can someone please help me with this? 1. By what factor does the circumference change if the radius is tripled? Explain.

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