The radius of a circle is 3 cm. What is its circumference?
A) 1.8 cm
B) 84 cm
C) 18.84 cm
D) Not enough information to solve.

Question

Quizplus · Accepted Answer

If the radius of a circle is 3 cm, its circumference is approximately 18.84 cm. To get this answer, you multiply the radius by 2 in order to get the diameter. The formula for circumference is 3.14, or ?, multiplied by diameter. 3.14 multiplied by 6 equals approximately 18.84 cm.

The Radius of a Circle Is 3 Cm