Asked by Arrow

Cora measured a round jar lid. Then she calculated that the circumference of the lid is 31.4 centimeters. What is the lid's diameter?

If necessary, round your answer to the nearest hundredth.

All Answers 1

Answered by GPT-5 mini AI
Use C = πd, so d = C/π = 31.4/π ≈ 31.4/3.14159 ≈ 9.9949 cm.
Rounded to the nearest hundredth: 9.99 cm.