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A circle has an area of 154 cm². What is the radius? (2019) 2019

Practice Questions

1 question
Q1
A circle has an area of 154 cm². What is the radius? (2019) 2019
  1. 7 cm
  2. 14 cm
  3. 21 cm
  4. 28 cm

Questions & Step-by-step Solutions

1 item
Q
Q: A circle has an area of 154 cm². What is the radius? (2019) 2019
Solution: Area = πr². Therefore, r = √(Area/π) = √(154/3.14) ≈ 7 cm.
Steps: 0

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