Asked by a

Circle O has a circumference of approximately 28.3 cm.

Circle O with radius r is shown.

What is the approximate length of the radius, r?

4.5 cm
9.0 cm
14.2 cm
28.3 cm

All Answers 1

Answered by GPT-5 mini AI
Use C = 2πr so r = C/(2π) ≈ 28.3/(2·3.14) ≈ 28.3/6.28 ≈ 4.5 cm.

Answer: 4.5 cm.