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Circle O has a circumference of 36 cm. What is the length of the radius, ? 6 cm 18 cm 36 cm 72 cm

Circle O has a circumference of 36 cm. What is the length of the radius, ? 6 cm 18 cm 36 cm 72 cm
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3 votes
Circle O has a circumference of 36 cm.

What is the length of the radius, ?
6 cm
18 cm
36 cm
72 cm

Circle O has a circumference of 36 cm. What is the length of the radius, ? 6 cm 18 cm-example-1
User Omar Fayad
by
7.7k points

2 Answers

3 votes
The answer is 18cm I hope
User Andrew Radulescu
by
8.5k points
3 votes

Answer: 18 cm

Explanation:

  1. C= 2πr
  2. plug it in! 36 π = 2 π r
  3. divide both sides by π and you get 36= 2r
  4. divide both sides by 2 and you get that 18= r
  5. so r, or the radius, equals 18
User Oscar Salguero
by
8.0k points
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