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If a circle has a circumference of 31.4 cm, what is its radius? (2022)

Practice Questions

1 question
Q1
If a circle has a circumference of 31.4 cm, what is its radius? (2022)
  1. 5 cm
  2. 10 cm
  3. 15 cm
  4. 20 cm

Questions & Step-by-step Solutions

1 item
Q
Q: If a circle has a circumference of 31.4 cm, what is its radius? (2022)
Solution: Circumference = 2πr; 31.4 = 2 * π * r; r = 31.4 / (2 * π) = 5 cm.
Steps: 6

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