A ring has a inner circumference of 2 centimeters. What is the radius of the ring? Round your answer to four decimal places.
A) 0.1592 centimeter
B) 0.6366 centimeter
C) 0.3183 centimeter
D) 0.7979 centimeter
E) 0.4053 centimeter

Question

A ring has a inner circumference of 2 centimeters. What is the radius of the ring? Round your answer to four decimal places. ​
A) 0.1592 centimeter
B) 0.6366 centimeter
C) 0.3183 centimeter
D) 0.7979 centimeter
E) 0.4053 centimeter

Quizplus · Accepted Answer

The circumference of a circle is given by the formula C = 2πr. Given the circumference is 2 cm, we solve for r: 2 = 2πr, so r = 2/(2π) = 1/π ≈ 0.3183 cm.

A Ring Has a Inner Circumference of 2 Centimeters