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The formula for the circumference of a circle is C =2 pi r. Find the circumference of a circle with a radius of 2 cm. A. 12.56 cm B. 12.56 cm^2 C. 6.28 cm D. 6.28 cm^2 E. 12.00 …

The formula for the circumference of a circle is C =2 pi r. Find the circumference of a circle with a radius of 2 cm. A. 12.56 cm B. 12.56 cm^2 C. 6.28 cm D. 6.28 cm^2 E. 12.00 …
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The formula for the circumference of a circle is C =2 pi r.

Find the circumference of a
circle with a radius of 2 cm.
A. 12.56 cm
B. 12.56 cm^2
C. 6.28 cm
D. 6.28 cm^2
E. 12.00 cm

User Ganesh Manickam
by
7.5k points

1 Answer

2 votes
The given radius is 2 cm.

Therefore the circumference of the circle is
2π*(2 cm) = 4π cm.
From the calculator, obtain
4π = 12.56

Answer: A. 12.56 cm
User Srekel
by
8.4k points
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