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11 votes
Help what is
thr circumference of a circle is 36π cm
what is the radius of teh circle?

User Cherusker
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1 Answer

11 votes

Let's consider the relationship between the circumference and the radius:

⇒ first, consider the equation for finding the circumference


Circumference = 2\pi *radius

Let's consider the known information

  • Circumference ⇒ 36π

Let's plug the known information to find the radius:


Circumference = 2\pi *radius\\36\pi =2\pi *radius\\radius = 18

Thus the radius is 18 cm

Answer: 18 cm

Hope that helps!

User Knitschi
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