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Verizon [17]
4 years ago
10

Circle O has a circumference of 36 pi cm. What is the length of the radius, r?

Mathematics
2 answers:
zepelin [54]4 years ago
7 0
The circumference of a circle is C = 2<span>πr
Given C = 36</span><span>π, we can solve for the radius r:
r = C/2</span>π = 36π/2<span>π = 36/2 = 18 cm (ANSWER)</span>
Brums [2.3K]4 years ago
7 0

Answer:

The radius of the circle is 18 cm.

Step-by-step explanation:

The circumference of circle O is 36π cm.

The formula for circumference of circle is

C=2\pi r

Where, r is the radius of the circle.

Put C=36π, to find the radius of the circle.

36\pi=2\pi r

Divide both sides by 2π.

\frac{36\pi}{2\pi}=r

18=r

Therefore the radius of the circle is 18 cm.

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