Question

Radius = 15mm. Find circumference. *


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Answer 1

$2\pi \: r = 2\pi \times 15 \\ = 30\pi \: mm$

Answer 2

Answer:

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Step-by-step explanation:

a=pi r square h

pi = 3.14

r = 15

d = 30

C=2πr

2* 3.14 * 15 =

C= 94.25