2 Answers

Vbgd · Answer 1 · 2021-08-27T01:37:50+0000

Answer:

13.88 cm

Explanation:

Formula of circumference: C=
$\pi$ d

since radius is 2 times the diameter we have to multiply by 2

C=2
$\pi$ r

Substitute 3.14 for
$\pi$ and r for 2.1 cm

C=2*3.14*2.1

3.14 times 2 is 6.28

C=6.28*2.1

C=13.188 cm

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