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Masja [62]
3 years ago
6

I just can't figure this out! Can you help me?

Mathematics
1 answer:
vova2212 [387]3 years ago
8 0

Answer:

31.4 cm

62.8 cm

Step-by-step explanation:

<u>The radius of the inner circle is 5 cm</u>.  The line from the edge of the outer circle to the edge of the inner circle is 5 cm.  Assuming that the center of the outer center is the same as the center of the inner circle, <u>the radius of the outer should be 10 cm.</u>

Use the formula for circumference since you have the radius.

<u>Inner circle</u>

<em>C = 2πr</em>

<em>C = 2π(5)</em>

<em>C = 10π</em>

C = 31.4 cm

<u>Outer Circle</u>

<em>C = 2πr</em>

<em>C = 2π(10)</em>

<em>C = 20π</em>

C = 62.8 cm

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