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Find the radius of a circle with circumference 18cm
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Find the radius of a circle with circumference 18cm

User Chirag Solanki
by
6.5k points

1 Answer

3 votes

Answer:


r$\approx$2.9

Explanation:

The equation for circumference is:


C=2\pi r

We can plug 18 cm in for C:


18=2\pi r

Divide both sides by 2


9=\pi r

Divide both sides by
\pi


r$\approx$2.9

User Mehran Ullah
by
6.5k points
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